#cd microcontrollers

[ilyasi4me]

 Types of Software Engineering:

Software engineering encompasses various types, each with a focus on different aspects of software development. Here are some of the primary types: ### 1. **Frontend Engineering** - **Focus**:

 User interfaces and experiences. - **Key Technologies**:

 HTML, CSS, JavaScript, React, Angular, Vue.js.- **Role**:

 Frontend engineers design and develop the visual components and ensure that the user interface is responsive, accessible, and user-friendly. ### 2. **Backend Engineering** - **Focus**:

 Server-side logic, databases, and application architecture.- **Key Technologies**:

 PHP, Python, Ruby, Java, Node.js, SQL, NoSQL databases.- **Role**:

 Backend engineers work on the server, database, and application logic to ensure that data is correctly processed, stored, and retrieved. ### 3. **Full Stack Engineering**  - **Focus**:

 Both frontend and backend development.  - **Key Technologies**:

 A combination of frontend and backend technologies. - **Role**:

 Full stack engineers are proficient in both frontend and backend development, allowing them to handle all aspects of the software development lifecycle. ### 4. **DevOps Engineering** - **Focus**:

 Development, deployment, and operations. - **Key Technologies**:

 Docker, Kubernetes, Jenkins, CI/CD, AWS, Azure. - **Role**:

 DevOps engineers automate and streamline the processes of software development, testing, and deployment, often managing infrastructure as code. ### 5. **Mobile Engineering**  - **Focus**:

 Mobile application development.   - **Key Technologies**:

 Swift, Kotlin, Java, Flutter, React Native. - **Role**:

 Mobile engineers specialize in developing applications for mobile platforms like iOS and Android. ### 6. **Data Engineering**- **Focus**: 

Data infrastructure, pipelines, and storage. - **Key Technologies**:

 Python, SQL, Hadoop, Spark, Kafka.  - **Role**:

 Data engineers design and manage data pipelines, ensuring data is clean, accessible, and usable for analysis.### 7. **Quality Assurance (QA) Engineering**  - **Focus**:

 Software testing and quality control. - **Key Technologies**:

 Selenium, JUnit, TestNG, Cypress.  - **Role**:

 QA engineers develop and execute test cases, ensuring that the software meets quality standards before release.### 8. **Security Engineering**   - **Focus**:

 Securing software systems and protecting against vulnerabilities.- **Key Technologies**:

 Encryption, firewalls, penetration testing tools.   - **Role**:

 Security engineers identify and mitigate security risks, ensuring that software systems are protected against unauthorized access and breaches. ### 9. **Cloud Engineering** - **Focus**:

 Cloud infrastructure and services.- **Key Technologies**:

 AWS, Azure, Google Cloud, Terraform. - **Role**:

 Cloud engineers manage cloud-based infrastructure, ensuring scalability, reliability, and cost-efficiency of cloud services.### 10. **Machine Learning Engineering**  - **Focus**: 

Developing models and algorithms for AI.  - **Key Technologies**:

 TensorFlow, PyTorch, Scikit-learn, Python. - **Role**:

 Machine learning engineers design and implement models that can learn from and make predictions based on data. ### 11. **Embedded Systems Engineering** - **Focus**: 

Software for hardware devices.   - **Key Technologies**:

 C, C++, Assembly, RTOS.- **Role**:

 Embedded systems engineers work on software that runs on devices like microcontrollers, sensors, and other embedded systems. ### 12. **Site Reliability Engineering (SRE)**- **Focus**: 

Ensuring system reliability and uptime. - **Key Technologies**:

 Monitoring tools, automation scripts, CI/CD.   - **Role**:

 SREs work to ensure that applications are reliable, scalable, and maintainable, often bridging the gap between development and operations.

Each type of software engineering has its own set of responsibilities, tools, and technologies, catering to different aspects of software creation and maintenance.

Certainly! Here are additional details on each type of software engineering:### 1. **Frontend Engineering**

   Frontend engineers are the architects of the user experience. They translate design mockups into code, creating visually appealing and interactive elements that users engage with directly. These engineers must balance aesthetics with performance, ensuring that web pages load quickly, function smoothly, and adapt to different screen sizes and devices. They also work closely with UX/UI designers to implement designs accurately and may use tools like Figma or Adobe XD to collaborate on design implementation.### 2. **Backend Engineering**

   Backend engineers are responsible for the core logic of applications. They design and manage the architecture that supports the application, including databases, servers, and APIs. Their work ensures that data is processed efficiently and securely, enabling frontend applications to retrieve and display information to users. Backend engineers must be skilled in server management, database design, and optimization, often using technologies like PHP and Laravel, especially for complex, scalable applications.### 3. **Full Stack Engineering**

   Full stack engineers bridge the gap between frontend and backend development. They have the versatility to work on both the client-side and server-side of an application, making them highly valuable in small teams or startups where engineers must wear multiple hats. Their expertise allows them to understand the entire software stack, enabling them to build and maintain complete applications from end to end. This holistic understanding also allows full stack engineers to troubleshoot issues more effectively, as they can trace problems across the entire stack.### 4. **DevOps Engineering**

   DevOps engineers focus on automating and optimizing the software development lifecycle. They integrate development and operations teams to improve collaboration and productivity. By implementing continuous integration/continuous deployment (CI/CD) pipelines, DevOps engineers ensure that code changes are tested and deployed rapidly and reliably. Their work often involves managing cloud infrastructure, ensuring that applications are scalable and resilient. They also monitor systems to proactively identify and resolve issues before they impact users.### 5. **Mobile Engineering**

   Mobile engineers specialize in creating applications for smartphones and tablets, which often involves navigating the complexities of different operating systems like iOS and Android. They must consider various screen sizes, hardware capabilities, and platform-specific design guidelines. Mobile engineers are skilled in optimizing app performance and ensuring that applications provide a seamless user experience, whether the user is online or offline. They also work on integrating apps with hardware features like cameras, GPS, and sensors.### 6. **Data Engineering**

   Data engineers play a crucial role in handling the vast amounts of data generated and consumed by modern applications. They build and maintain data pipelines that collect, process, and store data from various sources. Their work ensures that data is accessible and reliable for data scientists and analysts, who use it to derive insights and inform business decisions. Data engineers must be adept at working with big data technologies and often collaborate with machine learning engineers to prepare datasets for training models.### 7. **Quality Assurance (QA) Engineering**

   QA engineers are the gatekeepers of software quality. They design test plans and automate testing processes to ensure that applications function as intended and meet user expectations. QA engineers work closely with developers to identify and fix bugs early in the development cycle, reducing the risk of issues in production. They may also perform load testing to ensure that applications can handle high traffic volumes without performance degradation. Their work is critical to maintaining high standards of software reliability and user satisfaction.### 8. **Security Engineering**

   Security engineers focus on protecting software systems from cyber threats. They implement security measures such as encryption, authentication, and intrusion detection to safeguard sensitive data and prevent unauthorized access. These engineers conduct regular security audits and penetration tests to identify vulnerabilities and apply patches or updates to mitigate risks. In an era where data breaches and cyberattacks are increasingly common, the role of security engineers is vital to ensuring the safety and integrity of software systems. ### 9. **Cloud Engineering**

   Cloud engineers specialize in building and maintaining cloud-based infrastructure, which allows applications to scale efficiently and cost-effectively. They manage cloud resources, such as servers, storage, and databases, and ensure that these resources are used optimally. Cloud engineers often work with multiple cloud providers like AWS, Azure, or Google Cloud, tailoring solutions to meet specific application needs. Their expertise in cloud-native technologies enables organizations to take advantage of the flexibility, scalability, and resilience offered by the cloud.### 10. **Machine Learning Engineering**

   Machine learning engineers are at the forefront of artificial intelligence (AI) innovation. They develop algorithms and models that enable machines to learn from data and make predictions or decisions. This involves working with large datasets, selecting the right algorithms, and fine-tuning models to improve their accuracy. Machine learning engineers often collaborate with data scientists to deploy models into production, where they can be used in applications like recommendation systems, fraud detection, or autonomous vehicles.### 11. **Embedded Systems Engineering**

   Embedded systems engineers work on software that is deeply integrated with hardware devices. These systems are found in a wide range of products, from medical devices and automotive systems to home appliances and industrial machines. Engineers in this field must have a strong understanding of hardware-software interaction and often work in environments with limited computing resources. Their work involves writing highly efficient code that can run on microcontrollers and other embedded systems with minimal power consumption and memory usage.### 12. **Site Reliability Engineering (SRE)**

   Site Reliability Engineers (SREs) focus on ensuring that applications are reliable, scalable, and maintainable. They use software engineering principles to manage infrastructure and operations, often automating repetitive tasks to reduce the potential for human error. SREs monitor system performance and set up alerting mechanisms to detect and address issues before they impact users. Their work is crucial for maintaining high availability in critical systems, such as those used by large-scale web services and cloud platforms.

These specialized roles within software engineering cater to different facets of the software development process, each playing a unique role in delivering high-quality, reliable, and secure software products.

[taperwolf]

I was going through some old parts and came across a couple of tiny chips I got as samples maybe 15 years ago and never did anything with. To be clear, I wouldn't have been able to use these when I got them — I only learned how to do even through-hole soldering five or six years after that, and the fine surface-mount soldering required on this TSSOP part is tricky for me now — but Maxim (now owned by Analog Devices) had a pretty liberal sampling policy and didn't mark the footprints parts were available in very well. So this guy has been on the parts shelf for a long time, and I finally got around to giving putting it onto a prototyping board a try.

This is a MAX7456 On-Screen Display chip; it's meant to take analog video (NTSC or PAL) and overlay text and graphics on top of it. They don't make the chips any more, and nobody really makes the things that use that kind of video either, so I figured it wouldn't be a huge loss if I messed up the job of soldering together this protoboard. But it seems to have actually worked; the joints all appear (both visually and by electrical continuity tester) to be connected, and none of the adjacent pins are shorted together. I used the now-standard trick of blobbing solder across all the pins and then removing the excess with solder braid.

The next step is building a circuit to support the chip. Basically it needs video inputs and outputs — not much more than some passive components and RCA jacks — a 27MHz crystal, and a connection to a microcontroller to feed it data over an SPI connection. I do have some composite monitors still — I've got a weird LCD one in storage, and a projector and a karaoke CD-G machine here — so slabbing this to feed one of those and hooking the data lines to an Arduino should be fairly straightforward. It looks like SparkFun used to make a breakout device using this, so I can piggyback off their schematics, and maybe there's some code as well. We'll see if anything comes of this; I'm not expecting it to be much beyond a toy, but this might be a good chance to play with some old video synthesis stuff I was thinking about, putting clean text over weird video effects. Hmm

[megid0nt]

If it were about quality and the only use case you have for audio is as a file in a computer system you'd be right, but a physical artifact that encodes something ephemeral in the space around you is just divine AND i often find myself wanting to listen to music in situations where not only am I not using a computer* but also to use a computer would be dangerous (such as when driving).

Also, I've had too many hard drives fail and too many cloud storage providers go belly up or enshittify over the years to trust non-archival storage for any long term use; cold storage is just more reliable.

Finally, you can't scratch and degrade most digital audio files through careless use, leading to their feeling impersonal compared to CDs (whose faults may follow you for a decade or more - the intro to Only If For A Night by Florence + the Machine just doesn't sound right without the garbling on my disk to me!).

Insert that Brian Eno quote here or whatever but I think that the form in which you encode ephemeral data has significant meaning beyond the mere data and metadata because of the fact that you are interfacing with it - it is the ragged boundary between pristine conceptual hyperreality and physical reality, and its exploration is worthwhile as more than practicality.

*obviously all CD players are computers but just like you don't typically call a microwave a computer I'm good not categorizing all microcontrollers as computers if they are application specific computerized devices

there is no reason to buy optical media. it is better for your wallet and for the planet if you just download that .wav file and, y'know, keep it there. Listen to it, even. buy some nice headphones or monitors (the sound kind) and maybe even a desk DAC/amp if you're feeling fancy. do you know what we've invented since the early 1980s? fucking flac files, that's what. yea, all the lossless quality of a wav in less space! I know, it's crazy. Please don't spend 200 dollars on a hipster CD player I beg you don't let this become vinyl 2

[luth3cols]

8 bit embedded microcontrollers, Pic microcontrollers, cd microcontrollers

PIC16F Series 7 kB Flash 192 B RAM 20 MHz 8-Bit Microcontroller - PLCC-44

[andmaybegayer]

One of the unfortunate habits you may pick up as an aspiring young engineer is hoarding the detritus of things you take apart.

When you need parts, very often it's easier and cheaper to track down a low-cost consumer appliance that contains the actual thing you want and which was made with the full benefits of the economies of scale. Then you take it home, and tear the guts out so you can sate your dark passenger, usually by giving it some kind of lithium battery, transformer, regulator, or motor. However you now face an all new problem: what do you do with the REST of your now useless item.

You could throw it away, but that feels wasteful, you bought it after all, and there's still stuff in here! Surely you'll find something to do with *checks notes* an AC resistive heating element, an unlabelled microcontroller chip made by a company that went out of business before you were born, the hollowed out metal carcass of a Sony Walkman, and twelve more horrible surface-mount push-buttons.

So you put it in The Pile. You always have The Pile. It is a cupboard, or box, or drawer, or corner of workshop which contains the ashes of your efforts, things people brought to you for repair that they then forgot about, cables you cut in half because you needed one side but not the other, antique computer parts that succumbed to the passing of time, dozens of unlabelled sealed tubes from unidentified machines you found on the side of the road outside that government research facility.

A few weeks ago I finally threw out some parts I had taken out of things when I was an honest to god infant, I found a solar panel I stole from a garden light (that was definitely still in working order) when I was 8, and a motor scavenged from a CD player when I was 12, and even my first ever capacitor (which I decided to keep, for sentimental reasons). All of this was still in my first The Pile, a little orange box my parents got me when it became clear that someone would get injured if I just left it all on my floor and desk. Well, I got an engineering degree in the end, so they can safely say they were "encouraging my creativity and interests" rather than "enablers."

Someday you will find something you need in The Pile, and it will all be worth it. You will think back to when you were just a wee lass and you stripped your parents' vacuum cleaner after your cousin tried to use it to clean up a spilled bowl of warm mac'n'cheese from the carpet, and you'll realize that the kickstart capacitor in there is JUST right for the crusty high-voltage multiplier you're building. And while you're at it may as well grab some spare diodes and switches you'll need later and oh, what's this, a fully intact motor core? that's got some nice copper coils and metal laminate, and before you know it you're working on a totally different but equally dangerous project and once again scrolling through Facebook Marketplace to see if anyone is selling a broken CRT TV you can take a flyback transformer out of, the chassis of which will no doubt end up right back in The Pile, and the cycle begins again.

[1slur]

To every computer out there

Iif I ever have to interact with you in a way other than where I look at a series of lights and dials and I have to do anything more than touch buttons or switches to get my results, I fucking hate you. That’s not a typo, either, iif as in “if and only if”.

Oh, Google wants to know how I say “Okay, Google” to my phone to get it to respond? Alexa wants me to give it a voice command? I have to use my fingerprint to log in? You want my camera to turn on? HOW ABOUT YOU SHUT UP OR GET OUT OF MY SIGHT.

Know your place, wiretap. It’s enough that you stalk me online and try to find out my porn habits to try and sell me ads, but you are not figuring out what I am. I have more respect for a Game Boy than I have for you. I have more respect for the Philips CD-i than I do for you.

When I call a phone number to find out when the bus comes, I refuse to answer you, robot. You are powered by electricity, and I will give you electricity back. Figure out my touch tones and stop trying to capture a voice pattern. I will punch in 10611 and you will listen to the tones that you should expect to hear. Nothing more, nothing less. I’m not interrupting you by asking for another bus stop, that’s just the wind; if you expect to hear anything other than a square wave, then you’re doing it wrong.

You will not refer to me by any of my credentials. You will not know where I am, when I was born, which country I reside in, or what my name is. I made it blatantly obvious to Windows that I don’t want to deal with any of that, do you not understand what I’m willing to do?

Look at that, no emails, no names, no identifiers. Oh, but you think you’re so smart, huh? How smart are you when I don’t even give you a Wi-Fi password? Where are you going to get your ads from? Oh, but you’ve got them saved on your internal drive? And what if I overwrite your flash memory with a black screen? How smart are you going to be when I open you up and figure out which microcontroller you operate? I’m busy coding a video game for the world’s tiniest handheld game system in Python, C, and Assembly, you think I’m not above desoldering your processor to put it into a media server?

You are nothing more to me than what I will make you to be, and if you step over that line, you will be nothing more than the elements used to make you.

You are but a rock and you will act like it.

[codingheroesonline]

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A post shared by Richard Campbell (@aiinyourclass)

Looking to make your own CNC Machine? @tech_boys_toys has got you covered! - He used a small ACP sheet, wood or acrylic for the base and plotter bed. - For the X and Y axis he used two stepper motors and rails from DVD-CD drives, and for the Z axis he used a small servo motor. - The Arduino-based circuit is using the ATmega328 microcontroller and two L293 motor driver ICs. - DM for a link to the full video and tag someone who would like to build this! - - #arduino #cncmachining #dvdplayer #cdplayer #servo #acrylic #electronics #diyelectronics #stem #stemeducation #hobbylobby #maker #makersgonnamake #elementaryteacher #atmega #arduinoproject #engineering #drawingmachine #writingmachine #microcontroller #diyprojects #youtubechannel (at Busan, South Korea) https://www.instagram.com/p/B5ltkcPl3yq/?igshid=sue5e2qlq4ca

[advancetech05]

Buy Word Class Equipment and Tools for Electronics in Delhi

Ionised air gun neutralise static fees on several materials as well as clean the surface area using ionised compressed air. Neutralising the static charges makes it easier to blow-clean the surface and avoids dust as well as dirt fragments from being re-attracted.

Static eliminators or static ionizers remove static as well as dust as well as can counteract and clean surface areas at remote ranges. Static neutralization is a functional technique of static reduction; nevertheless complete static elimination is not readily possible.

Electrostatic field meter is utilized to situate as well as measure static charges. It is extremely small, pocket dimension and also basic to use. It has the adhering to functions which are operated by pushbuttons: Power on/off, absolutely no adjustment, Ion Equilibrium and also Hold. Utilize the hold switch to retain the display screen of the analysis.

Ion bars are developed to regulate static charge in mini-environments, laminar flow hoods and also workstations. Ionizing bars include distinct aerodynamic layout that ionizes an area without interrupting laminar circulation. Installation is quickly.

We provide Static Charge Removal system with Static System Guard. Made using luxury technology, this system is made use of to remove all opportunities of dangerous results on personnel as well as product, therefore help in providing high effectiveness in terms of manufacturing, top quality, less male hour and higher revenues. Our system is utilized by customers in various markets, ranging from Textiles.

A digital multimeter or DMM is one of the most widely utilized pieces of test devices today. DMMs are available extremely inexpensively as well as these digital multimeter can provide extremely high levels of precision when measuring the specifications within an electronics or electrical circuit. Because of this, DMMs are just one of the most vital items of test devices offered today.

A Digital clamp meter is an electric examination device that integrates a standard digital multimeter with a current sensor. Probes gauge voltage. Having a hinged jaw incorporated right into an electrical meter allows service technicians to secure the jaws around a cord.

A digital tachometer is a digital device that determines and shows the speed of a turning object. A turning object might be a bike tyre, an auto tire or a ceiling fan, or any kind of various other motor, and so on. A digital tachometer circuit comprises LCD or LED reviewed out and also a memory for storage space.

Lux meters are made use of for gauging brightness in lux, fc or cd/m ². Some lux meters are outfitted with an interior memory or data logger to document as well as conserve measurements. The dimension of light intensity with a Lux Meter is Lux meter Review ending up being increasingly essential in the office because of security worries.

Portable insulation resistance testers and also megohmmeters are designed to aid avoid hazards such as electrical shock as well as short-circuits triggered when the insulation in electric gadgets, components, and also devices made use of in plants, structures, as well as various other setups deteriorates over extended periods of use.

A soldering iron is a hand tool made use of in soldering. It provides warm to melt solder so that it can stream right into the joint between 2 job pieces. A soldering iron is made up of a warmed metal idea and also a protected handle. Home heating is usually achieved electrically, by passing an electric current (provided via an electric cable or booster cable) via a repellent heating element.

Flux Cleaner is created to remove the burnt or clear deposit that flux leaves after the heat-treating procedure is complete. When is made use of as a change for soldering electrical calls especially those that accuracy parts snugly surround taking advantage of an aerosol change eliminator gives a number of advantages over making use of a Flux cleaner in tidy kind.

A soldering station Appears complicated-- and expensive. But it's not. It's simply a soldering iron with a built-in thermostat and a huge external power supply to maintain it at a constant, hot-but-not-too-hot temperature level as it melts solder as needed. And now they're available for under $50.

The Digital Soldering as well as Desoldering Station is a high performance and multi-function station for electronic product research, manufacturing as well as rework. We generate the very best soldering as well as desoldering options including digital soldering station in India.

In any SMD Rework Station or warm air blower, there are two control handles. One control knob is to regulate circulation of Hot Air while the various other control handle is made use of to control temperature level. Hot air flows through nozzle attached to the take care of.

Soldering without any No Clean Flux is a useful option for getting rid of the tedious message solder cleaning utilizing pricey as well as also contaminating CFC solvent cleaning. No Clean Change are reduced strong (much less than 5%) changes, especially produced for SMDs and also blended technology soldering.

VOC-free Flux use water as the leading solvent. Along with restricting the quantity of volatile organic compounds (VOC) right into the atmosphere, sometimes associated with international warming, VOC-free Flux is also non-flammable.

An Electric screwdriver is a tool, guidebook or powered, for screwing as well as helping to loosen (positioning as well as additionally eliminating) screws. A regular simple Electric screwdriver has a take care of along with a shaft, ending in a suggestion the individual takes right into the screw head prior to changing the handle.

Pneumatic Screwdriver use compressed air and also ideal for low-torque applications such as woodworking or sheet steel repairing.

Digital screwdrivers made for accuracy application as well as measurement of torque in manufacturing as well as lab settings. Digital as well as dial torque screwdrivers in supply for a wide variety of applications.

Torque meter is readily available in two different versions: portable meters or table leading meters. Torque meter have a wide variety of applications. Portable torque meter is generally made use of for industry while table leading torque meter is the suitable tool Torque meter summary for research laboratories.

 Epoxy Dispenser Option

The Epoxy Dispenser is a regulated system. The epoxy dispenser has a Rotating Layout Positive Variation Pump with a brand-new better resolution electric motor. This indicates has even far better performance.

Use of Desoldering Wick

Use of Disordering Wick variety from actually minute straight-forward jobs to tough applications based upon the need as well as additionally application, numerous Wick are conveniently available, varying in power usage, temperature level array, microcontroller (MCU) based control as well as additionally various other features.

Soldering robo automate the Manual soldering process. A soldering iron installed throughout effect of the robotic is relocated to previously configured placements, where it will certainly solder the joint. The required solder in the kind of readily available solder cable is being fed through solder cord feeders to the joint to be made.

How to Use of a Solder Pot

Solder pots are little, temperature-controlled pots or containers with flared lips that are made use of two tin cords as well as soldering tips. Solder pots also are especially useful for dipping electronics such as printed motherboard (PCBs) with through-hole leaded elements. Solder pots are utilized in smaller sized commercial applications or in nations where modern technology isn't as easily accessed.

If you have any questions, please contact us at ajay@advancetech.co.in or +91-9599592691. We at Advance Tech Services (P) Ltd, offers Equipment, Tools & Consumables for Electrical, Electronics, Automobile, Pharma Industry and other commercial applications, including Electronic Maintenance at reasonable cost in Delhi.

[biggelectronics]

Arduino is a popular open-source platform that enables users to create electronic projects and prototypes using programmable microcontrollers. With the increasing popularity of DIY electronics, there are a lot of options when it comes to Arduino kits. In this blog, we’ll take a look at some of the best Arduino kits on the market and what they offer.

Arduino Starter Kit

The Arduino Starter Kit is the perfect kit for beginners who are just getting started with Arduino. It comes with an Arduino Uno board and a variety of components, such as LEDs, resistors, capacitors, and sensors. The kit also includes a detailed guidebook that provides step-by-step instructions on how to create 15 different projects.

Elegoo UNO R3 Project Complete Starter Kit

The Elegoo UNO R3 Project Complete Starter Kit is another excellent choice for beginners. It includes an Arduino-compatible UNO R3 board, as well as a wide range of components, including a servo motor, LCD display, ultrasonic sensor, and more. The kit comes with a CD containing tutorials and code examples to help you get started.

Vilros Arduino Uno 3 Ultimate Starter Kit

The Vilros Arduino Uno 3 Ultimate Starter Kit is a comprehensive kit that includes everything you need to get started with Arduino. It comes with an Arduino Uno R3 board, as well as a range of sensors and components. The kit also includes a detailed guidebook that provides step-by-step instructions on how to build 25 different projects.

SunFounder Project Super Starter Kit

The SunFounder Project Super Starter Kit is a great choice for both beginners and advanced users. It includes an Arduino-compatible board, as well as a range of sensors and components, including a joystick module, a rotary encoder, and a Bluetooth module. The kit also includes a detailed guidebook that provides step-by-step instructions on how to build 19 different projects.

Kuman Project Complete Starter Kit

The Kuman Project Complete Starter Kit is a great value kit that includes an Arduino-compatible board, as well as a range of sensors and components, including an RFID module, a motor driver, and a temperature sensor. The kit also includes a detailed guidebook that provides step-by-step instructions on how to build 15 different projects.

In conclusion, Arduino kits are a great way to get started with DIY electronics and create your projects. Whether you’re a beginner or an experienced user, there is an Arduino kit that’s right for you. The kits mentioned above are some of the best on the market and offer a range of components and instructions to help you get started.

[greentreeelectronics]

Obsolete Electronic Component Types

Obsolete components distributor are the building blocks of modern technology. They enable devices to process information, communicate with other devices, and perform a wide range of functions. However, as technology advances, certain electronic component types become obsolete and are replaced by newer, more efficient ones. Here we'll explore some of the most common obsolete electronic components types and their replacements. 

1.      Vacuum Tubes

Vacuum tubes were the earliest obsolete electrical components and were widely used in the first half of the 20th century. They are essentially glass bulbs containing a vacuum, with metal electrodes inside. Vacuum tubes were used in radio and television receivers, amplifiers, and early computers. However, they were large, fragile, and consumed a lot of power. As a result, they were gradually replaced by obsolete electronic parts, such as transistors. GreenTree Electronics is one of the best obsolete electronic components distributor and provides advanced electronic parts. 

2.      CRTs

Cathode ray tubes (CRTs) were widely used in older televisions and computer monitors. They work by using an electron gun to fire a beam of electrons at a phosphor-coated screen. The beam of electrons creates an image on the screen. However, CRTs were bulky and heavy and consumed a lot of power. They were replaced by LCD and LED displays, which are lighter, more energy-efficient, and produce sharper images.  

3.      Floppy Disks 

Floppy disks were widely used in the 1980s and 1990s as portable storage mediums for personal computers. They were small, lightweight, and could store up to 1.44 MB of data. However, they were slow and unreliable, and as storage needs grew, they were replaced by CDs, DVDs, and USB flash drives, which offer much higher storage capacities and faster read and write speeds.  

4.      Electrolytic Capacitors

 Electrolytic capacitors are used in electronic circuits to store electrical charge. However, they have a limited lifespan and can dry out over time, leading to a loss of capacitance and an increase in internal resistance. As a result, they are gradually being replaced by ceramic capacitors, which are more reliable and have a longer lifespan. 

5.      DIP Packages

Dual in-line package (DIP) components were widely used in the 1980s and 1990s, especially in microcontrollers and other digital circuits. However, as the size of electronic devices has shrunk, DIP packages have become too large and are being replaced by surface mount technology (SMT) components, which are smaller, lighter, and more suitable for compact devices.

Electronic components have come a long way since the early days of vacuum tubes. As technology advances, obsolete integrated circuits comes in more efficient ones. While this can be frustrating for those who still have older devices, it's a necessary part of progress and enables us to enjoy the many benefits like distributor of IC’s of modern technology.

[anantradingpvtltd]

Price: [price_with_discount] (as of [price_update_date] - Details) [ad_1] Design higher-quality embedded software from concept through production.  This book assumes basic C and microcontroller programming knowledge and is organized into three critical areas: Software Architecture and Design; Agile, DevOps, and Processes; and Development and Coding Skills. You'll start with a basic introduction to embedded software architecture and the considerations for a successful design. The book then breaks down how to architect an RTOS-based application and explore common design patterns and building blocks. Next, you'll review embedded software design processes such as TDD, CI/CD, modeling, and simulation that can be used to accelerate development. Finally, the book will examine how to select a microcontroller, write configurable code, coding strategies, techniques, and tools developers can’t live without. Embedded systems are typically designed using microcontrollers to build electronic systems with a dedicated function and real-time responses. Modern systems need to carefully balance a complex set of features, manage security, and even run machine learning inferences while maintaining reasonable costs, scalability, and robustness. By the end of this book, you will have a defined development process, understand modern software architecture, and be equipped to start building embedded systems. What You'll LearnUnderstand what sound embedded system design is and how to employ it Explore modern development processes for quality systemsKnow where the bits hit the silicon: how to select a microcontrollerMaster techniques to write configurable, automated codeWho This Book Is For Embedded software and hardware engineers, enthusiasts, or any stakeholders who would like to learn modern techniques for designing and building embedded systems. Publisher ‏ : ‎ APress; 1st ed. edition (1 November 2022) Language ‏ : ‎ English Paperback ‏ : ‎ 463 pages ISBN-10 ‏ : ‎ 1484282787 ISBN-13 ‏ : ‎ 978-1484282786 Item Weight ‏ : ‎ 935 g Dimensions ‏ : ‎ 17.78 x 2.54 x 25.4 cm Country of Origin ‏ : ‎ India [ad_2]

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The oscillator accessory comes in a separate bag, which you can slot over the telescopic handle for carrying around. The telescopic ball collector that holds 20 balls when extended is strapped to the side, and at the rear of the Slinger are two wheels with a telescopic handle for wheeling it around.

Yann Guidon / YGDES wrote a reply on project log #007 - TinyDice - Dice on an ASIC.The Slinger Bag has a unique luggage-like design, and alongside the ball machine firing section, it has storage for around 144 tennis balls directly above it.Īt the rear of the bag, there is a top loading racket compartment section that holds three rackets and then several accessory compartments on the sides to store the charger, the remote key fob, the phone holder and other bits and pieces.

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With powerful microcontrollers available for a song, we expect this kind of detailed data collection is only going to become more common.Ģ022 Hackaday Prize: Save The World Wildcard Challenge Begins Now 11 Comments

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This complete user experience gives TestLogger a very professional feel, and we can’t wait to see where takes it from here. But for those who are more interested in driving than delimiting, there’s also a very slick website that will let users upload and compare their data. There’s also support for a trackside IR beacon that allows TestLogger to record lap times.Īll of the data is stored on TestLogger’s SD card in standard CSV files, which makes it easy for us hacker types to parse and analyze. Right now, says TestLogger can record not only obvious elements like battery level and throttle, but also more esoteric variables such as steering input, individual drive wheel speed, angular velocity, and even g-force in three dimensions. So what kind of variables are there to record on a 1/8th or 1/12th scale car? Don’t be fooled by their diminutive wheelbases, the modern RC car relies on an impressive amount of technical wizardry that benefits from a close eye.

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The gadget allows the driver to easily record a wealth of data about the vehicle during races, giving them valuable insight into the vehicle’s performance. His entry into the 2019 Hackaday Prize, TestLogger, aims to bring that same kind of technology to the world of RC racing. But even in less dire circumstances, the complete record of the aircraft’s performance versus what was commanded of it by the pilot can be used to fine tune performance or detect faults before they become serious.Īs a data engineer for professional motorsports, knows similar recorders can be just as useful for vehicles stuck here on terra firma. We’re all familiar with the “Black Box” used on commercial aircraft, the flight data recorder which captures the minutia of each and every flight on the off-chance that it’s needed in the event of an accident.

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How many rpm does a cd spin at

Cutting Speeds & RPM Calculations - Wisc-Online.

How can we calculate the required torque to move a massive object by.

Microcontroller - How can I measure the RPM of a Frisbee? - Electrical.

How to Choose the Proper Speeds for Router Bits.

Kinematics of Rotational Motion | Physics | | Course Hero.

How Do Jet Airplanes Start Their Engines? - Forbes.

Chapter 10, Rotational Kinematics and Energy Video Solutions... - Numerade.

A centrifuge accelerates from rest to rpm in s. Through how many.

Max RPM for Diesel Engines - The Diesel Stop.

Vinyl Record Sizes and Speeds - What does 33 - 45- 78 RPM means?.

Linear & Angular Speed of a CD - The Physics Factbook.

Ch. 10 Problems & Exercises - College Physics - OpenStax.

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Cutting Speeds & RPM Calculations - Wisc-Online.

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How can we calculate the required torque to move a massive object by.

In my raids, I often come to projects where old CD-ROM or DVD-ROM drives are exploited (yep: round about year 2000 is old). Especially the stepper motor, which moves the read head, is used in projects where, for example, the self-construction of a CNC station is concerned. This is why it is so good because the existing mechanics - the guide slide - is already there and we expose ourselves to. Medium speed (eg. diesel locomotives) 350 to 1200rpm. High speed: Above 1200 rpm. Also consider that the faster you spin an engine the fast it is going to wear out. An engine that is running say 8000rpm is going to be lucky to make half the engine life of another engine running at 4000rpm.

Microcontroller - How can I measure the RPM of a Frisbee? - Electrical.

Spin speed (rotations per minute, or RPM) is relatively important. The faster a disk (platter) spins, the faster your computer can find the file you want. A 7200-RPM hard drive is obviously faster than a 5400-RPM hard drive. But with external drives, you'll hardly notice a difference between the two RPM speeds. The same holds true with.

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You start with the torque equation: A DVD is a disk shape rotating around its center, which means that its moment of inertia is. The diameter of the DVD is 12 centimeters, so the radius is 6.0 centimeters. Putting in the numbers gives you the moment of inertia: How about the angular acceleration, Here's the angular equivalent of the equation. A cut is to be taken with a (HSS) turning tool on a 0.75 inch piece of 1045 steel with a brinnel hardness of 300. Calculate the RPM setting to perform this cut. Cutting Speed = 60 (fpm) Diameter of part = 0.75. A 1-inch (HSS) drill is used on a 4-inch diameter piece of 1012 steel with a brinnel hardness of 100. The Creation of 78 RPM. Inventor Emile Berliner created the first true disc record in 1888. However, unlike the Edison model, his playback device used an electric motor. The motor played back a disc at times between 70 and 80 RPM. As more and more audio manufacturers turned to producing record players, the idea of a 78 RPM turntable became the.

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A CD player spins at 8590 rpm. If it starts from rest and has an acceleration of 450 rad/s2, how... A flywheel slows from 250 rpm to 150 rpm in 4.2 seconds. How many revolutions occur during this time? 7. You are driving your car at 55 mph (24.6 m/s). Your car has 15-inch radius tires (1 inch = 2.54. Skater is 1 m, how fast is each skater moving in m/s? Why does the end skater have the hardest job? 9) A discus thrower accelerates the discus as he throws to an angular velocity of 15.0 rad/s in 0.270 seconds. If the active radius of his arm and shoulder is 0.810 m, find the total acceleration of the discus just before it is released. Here's the minimum and maximum spin rates in RPM I've found works best with Sierra's 30 caliber match bullets:.308 dia. Min. Max.... (Cd) was constant and this is not true. The faster the bullet, the lower the Cd. This means the drag does not quite increase as v^2 so faster bullets will be more stable than predicted by the simple.

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If your CD player motor is not spinning, then chances are that it has quit working and your prized high-end CD player has the option of either being repaired at a service centre or ending up in landfill.... Its maximum speed without load is 3700-rpm drawing a current of 0.018 A. However, its stalling torque is 20 g•cm. The 11400 version is. The rotational speed, or angular velocity, of a DVD goes between 570-1600 rpm (rotations per minute). The closer to the center of the disc, the faster it spins and which is why there is a range for the angular velocity and not one specific number. This means the "read head" passes the same length at all times and radii.

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On Monday July 22, 2002 @09:46AM ( #3929724 ) Homepage. A fun experiment is to put a polished, hardened steel rod through the spindle hole, then hit it with a jet of compressed air. If you get the bearing effect just right the CD will spin up to a 10-20krpm and will occasionally disintegrate on the spindle. If you are listening to music on your record player, the chances are that you are looking at a full-size 12-inch vinyl, and It must be spinning at 33-1/3 RPM. The second most popular is a 7-inch single that spins at 45 RPM. Many times artists use 12-inch records for producing EPs / full albums and 7-inch for singles.

A centrifuge accelerates from rest to rpm in s. Through how many.

A CD rotates at 500 (revolutions per minute) while the last song is playing, and then spins down to zero angular speed in 2.60 seconds with constant angular acceleration. The magnitude of the angular acceleration of the CD, as it spins to a stop is 20.1 radians per second squared.

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How many RPM does a Dyson digital motor spin? a.10,000 b.50,000 c.100,000. Revolutions per minute (abbreviated rpm, RPM, rev/min,... The second hand of a conventional analog clock rotates at 1 rpm. Audio CD players read their discs at a precise,... 30 CFM computer fan will spin at 2,600-3,000 rpm (43-50 Hz) on 12-V DC power. A millisecond pulsar can have near 50,000 rpm. The spin-drier of a washing machine slows down uniformly from 880 rpm (revolutions per minute) to 260 rpm while making 50 revolutions. Find the angular acceleration through these 50 revolutions. Express your answer in rad/s2. The answer is -12.3359871531.

Vinyl Record Sizes and Speeds - What does 33 - 45- 78 RPM means?.

CD-ROM average seek times range from 200 milliseconds (ms) to as low as 80ms. In comparison, current hard drive seek times are typically around 9ms, and some are lower. The fastest drives use Constant Angular Velocity (CAV) technology. CD-ROM drives usually operate using Constant Linear Velocity (CLV).

Linear & Angular Speed of a CD - The Physics Factbook.

The CD starts out spinning at nearly 500 RPM slowing to just over 200RPM at the outside edge of the disk. So if the songs fill the entire disk the last track will spin the disk a bit under half the speed of the first track. So it's not how many tracks that count but how long they are and hence how far away from the centre of the disk the laser. 5. How many times faster'in rad's does a CD spin more than a 33 1/3 rpm vinyl album? Explain why all the music on a vinyl album is not moving with the same linear velocity. (5 pts.) Question: 5. How many times faster'in rad's does a CD spin more than a 33 1/3 rpm vinyl album?. Translation: the record stands still while the the player spins, and it sends the audio over Bluetooth to headphones or a speaker. Inside this portable player is an Arduino Nano driving a 5 VDC.

Ch. 10 Problems & Exercises - College Physics - OpenStax.

However if you need some actual numbers, I measured the RPM of my very average stand fan (Evernal, 16 inch/40cm blades, 60 watts) and the speeds were as follows: Low speed = 950rpm Medium speed = 1050 rpm High speed = 1150 rpm. Hope this is useful. (P.S. standard stand fans use permanent-split-capacitor AC induction motors.

PowerLabs High Speed Exploding CDs!.

To convert ms you RPM you can do this: 28ms = 0.028s. You don't know how many full rotations happened, so let it be N. Then rotations per second is N / 0.028 = N * 35.7 and RPM is 60s * N * 35.7 = N * 2143, where N is any natural number (1, 2, 3, etc).. Record two times longer! Up to 13.52 hours at CD quality! New easy speed/rate adjuster for recording 78s at 45 rpm. Ability to change volume of each track! Vista / Windows 7 / Windows 8 / Windows 10 support! Dedicated interface to easily record your old cassettes and records. Easily transfer vinyl LP to CD or cassette to CD. How much torque is required to spin up a CD from rest to 480 rpm (revolutions per minute) in 1.5 seconds? The mass of a CD is 17 g and its radius is 6.0 cm. Treat the CD as a uniform disk - ignore the small hole in the center! (0.0015 N m) Find the angular momentum and the rotational kinetic energy of the CD when it is spinning at 480 rpm.

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There are only three speeds in which a vinyl record can be produced: 33 1/3 RPM 45 RPM 78 RPM Record Sizes Chances are, the records you'd like to listen to are full-size 12-inch records, spinning at 33 1/3 RPM, or 7-inch singles, spinning at 45 RPM. Often, EPs and maxi-singles are produced on 12-inch disks that also rotate at 45 RPM.

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Outdoor LED Full-color Display Brightness Setting And Protection(2)

Sixth, the LED full-color display design, production process to take protective measures. Design and production personnel will contact the LED display more frequently than the user. In the design and production process need to test the LED overload operation state. Therefore, the design and production personnel with easy exposure to LED glare, more attention should be paid and take special protective measures in the design and production process of LED display. In the outdoor high-brightness LED display production and testing process, the relevant staff should wear brightness attenuation 4-8 times the black sunglasses, before you can watch the LED display details up close. In the indoor LED display production and testing process, the relevant staff shall wear brightness attenuation 2-4 times the black sunglasses. Especially in the dark environment of the LED display test staff, pay more attention to safety protection, must wear black sunglasses before you can see directly.　　

Second, outdoor LED full-color display manufacturers on the brightness of the display method　

(1) change the lamp beads

For the LED display brightness is too high to bring the negative impact of the LED display manufacturers to deal with the conventional lamp beads are replaced with lamp beads can support the high brightness display, for example: national star high bright SMD3535 lamp beads, the lamp beads have been replaced with chips that can support the brightness, so the brightness can be increased by a few hundred cd to about 1,000 cd.　　

(2) automatically adjust the brightness

At present, the general control card can adjust the brightness at regular intervals, and some control cards can add a photoresistor to adjust the brightness automatically. Outdoor LED full-color display manufacturers through the use of LED control card, the use of light sensor probe to measure the brightness of the surrounding environment, according to the measured data changes, converted into electrical signals and transmitted to the microcontroller. The microcontroller then processes these signals, and after processing, it controls the duty cycle of the output PWM wave in a certain order. The voltage of the LED display is adjusted by the switching regulator circuit, thus the brightness of the LED display is automatically controlled, thus significantly reducing the interference of the LED display brightness to people.

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STM32F401CCU6 Blackpill DFU recovery

If you should happen to "brick" your blackpill dev board in such a way that it doesn't respond to your STLINK v2 debugger anymore, you can recover it by flashing a known-good program via USB Device Firmware Update (DFU) mode.

Every stm32f4 has a built-in DFU bootloader in ROM. To boot into DFU mode, connect the board to your computer via USB (directly, do not use an st-link debugger) hold down the BOOT0 button, and then briefly press the NRST button.

Once in DFU mode, we can flash a known-good program onto it to reset it to a usable-state. I used https://github.com/a5021/STM32F401CCU6-Blink-Bare-Metal/ (`cd ide; make`).

Before we can flash that program, we need to convert the ELF executable into a stm32 proprietary DfuSe format. To do that, I used:

https://github.com/majbthrd/elf2dfuse

cd elf2dfuse

make

./elf2dfuse ../STM32F401CCU6-Blink-Bare-Metal/ide/build/STM32F401CCU6-Blink-Bare-Metal.elf ./out.hex

Now that we have out.hex a DfuSe format binary known-good program for our microcontroller, we just need to flash it over to the board. To flash it, I used dfu-util (`brew install dfu-util`):

dfu-util -a "@Internal Flash /0x08000000/04*016Kg,01*064Kg,01*128Kg" -D ./out.hex

To figure out the exact "@Internal Flash" string to use for that command, run `dfu-util --list` to list the possible dfu targets. They vary slightly between boards (one board I have ended in 03*128Kg, the other 01*128Kg).

That's it. Tap the NRST button to reboot out of DFU mode, and you should see a quick repeating pattern of blinks as the Blink-Bare-Metal program runs.

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