#LED light engine
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https://www.futureelectronics.com/p/semiconductors--Led-lighting-components--led-driver-modules-rev--constant-current-acdc-led-drivers/xi040c110v050vwt1-signify-north-america-8116785
Constant current led driver circuit, DC to DC Power Supplies, high power led
100 - 277Vac, 40W, 100 - 1100mA, 16-50V, [DALI 2], IP20 LED Driver
#Signify North America#XI040C110V050VWT1#Constant Current AC/DC LED Drivers#circuit#DC to DC Power Supplies#high power led#Module#led light engine#DC-to-DC converter#switching#LED Lighting Components#switch mode power supplies
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https://www.futureelectronics.com/p/semiconductors--Led-lighting-components--led-driver-modules-rev--constant-current-acdc-led-drivers/xi075c200v054bst1-signify-north-america-5129716
LED Driver Modules, Adjustable led driver, DC-dc led driver, LED Driver Linear
Xitanium 75 W 2 A 54 V Output Max Linear LED Driver
#Signify North America#XI075C200V054BST1#Constant Current AC/DC LED Drivers#transformer#LED circuit#LED light engine#LED Lighting Components#Modules#Adjustable led driver#DC-dc#Linear#Controller#supply#Dimmable LED driver circuit#1950s
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LEDs based on transition metal dichalcogenides display reduced efficiency losses
Light-emitting diodes (LEDs), semiconductor-based devices that emit light when an electric current flows through them, are key building blocks of numerous electronic devices. LEDs are used to light up smartphone, computer, and TV displays, as well as light sources for indoor and outdoor environments. Past studies consistently observed a decline in the performance and efficiency of LED devices based on two-dimensional (2D) materials at high current densities. This loss of efficiency at high current densities has been linked to high levels of interaction between excitons, which cause a process known as exciton-exciton annihilation (EEA). Essentially, the properties of some 2D materials prompt excitons to strongly interact with each other, causing excitons to "deactivate" one another. This results in a significant waste of energy that could otherwise contribute to the lighting of LEDs.
Read more.
#Materials Science#Science#Transition metal dichalcogenides#Light emitting diodes#LEDs#Semiconductors#Efficiency#2D materials#Excitons#Strain engineering
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Ever met an engine that talked so much you wish they had an off switch? Well too bad even that doesn't work
#ttte#ttte james#talking engine series#i discovered by accident that the remote for my led lights sets this guy off#on off and the red button all make him whistle and say hello#also please excuse my gross nails i wanted to paint them for pride but never got around to finishing them#now they're all urgh
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we did not in fact finish the lab due this morning or come even close BUT he’s giving us the next week with no late penalty bc it turns out one of the pins we were trying to use to communicate Actually Does Not Exist #slay
#personal#the engineering chronicles#it’s literally listed as an i2c pin in the tables but i overheard the student assistant say it’s not a real pin when i got into lab and was#like ?!?! and looked it up in the data sheet and for our version of this microcontroller yeah they replaced it with a capacitor for some#inexplicable reason and Left The Pin Label There. also need to stress that where it says it’s an i2c pin it IS listed under our specific#microcontroller like. technical writer of this data sheet when i catch you ‼️#so anyway. that was NOT the only issue we had even if the pin did exist it was supposed to be set for i2c2 and we accidentally set it for#i2c1 and also none of us has any clue what command to send to make the led on the other board like up but he doesn’t need to know that 🤫#*light up#even my prof didn’t know abt the secret nonexistent pin and he said no student of his has ever had this issue which actually i don’t think#is true bc i’ve been trying to avoid the b port all semester Specifically bc i remember having weird issues with the pins not working on it#last year and i suspect this is why but. yeah no consequences YIPPEE 🥳
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17. fairy lights or LED lights?
Uhhhhh I don’t know. Like what? On a Christmas tree? In the room? In a blanket fort?
I think it depends on the context, because both are a good choice. Sometimes one is better than the other.
I’m an electrical engineer; I don’t really have a preference when I see the benefits of both.
Soft asks
#ask scott lang#scott lang#ant-man#anon asks#soft asks#ask meme#fairy lights#led lights#electrical engineer#ant man#antman
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teaming up to do outdoor christmas lights is a great rite of passage for any young couple
#we bled#we complained#blood sweat and tears maybe#we did not cry but our noses ran#we spent $60 more on net lights#we engineered a plywood perch for my light up cardinal to sit on so he could be in a tree branch in the yard#we ARE the cutest house in the neighborhood#not that it was hard to take that title bc no one else has put up any lights#but we have taken the title#our ladder will not be used again for another 12 months#but yeah so in summary#net lights (x6)#wrapped trees (x2)#LED cardinal (x1)#roof lights around 3 sides of the roof#(all lights are rainbow because white lights are lame)#(the warm toned ones with the pink not the weird bluish multicolors)#oh and of course theres my light up spiral tree on the front doorstep#i think that covers everything#text#random#personal#bf tag#merry christmas this experience aged me 5 years#i feel like a divorced dad that has trouble getting down from the ladder bc of his bad back
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LED Daytime Running Light Scan Starting Car Hood Decorative Lights DRL Auto Engine Hood Guide Decorative Ambient Lamp 12V
https://s.click.aliexpress.com/e/_DBiLlk7
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i cant believe the day but i finally got a full tower pc. bought it already built and at a considerable discount of some 320 dollars off. its fucking huge and theres so many things going on inside... i was initially planning on choosing the parts myself but finding the graphics card was so hard and everyone else convinced me to just buy it built and honestly? good. id probably have fucked this up so badly by myself
i cant use it yet bc i took too long to buy the monitor that was also on sale and now its regular price -_- tho i managed to find a discount used one for now. well see how that goes since ill get it tomorrow. i tested it on out living room tv and it had some kaspersky thingy open and like thats so cute. i hope they left some treats in the browsing history for me to search through before i wipe it clean
#its a hexer case and wouldnt you guess the front has a hexagonal pattern. so pretty..#it came with 3 fans installed there too that have a cmyk color style to them and it looks quite neat. im thinking of buying some leds to pu#inside the case to go with my keyboard tho idk if id go that far tbh (< gamer rot is setting in. im not immune to pretty lighting..)#its also got a lot of unused space inside. im thinking of making more sculptures to put in. though idk if thatd be safe for it#bc cold porcelain is glue and water. what if it evaporates inside and suddenly everythings covered in a glue film#i wonder if varnish would help? the transparent nail polish sure didnt do shit it came off like 2 days after sculpting the rw slug sleeping#which like yeah of course. its nail polish. but i didnt expect it to flake since all it does is sleep on top of my laptop keyboard#i need miniature glass cake cover tops to encapsule every sculpture inside for safety#looking at it still no wonder these are called towers gotdamn its legit so huge..#it looks awkward tho bc i cant fully make it glue to the wall bc of the cables so its like. awkwardly a bit in front of the wall#im scaared as to how to tell if it ever gets too hot. on a laptop u just press ur head against the left half and feel how hot it is#i think im gonna need software for this.. sigh. tho maybe ill never get to that point since its supposed to be decent#AND its not 8 years old + the 3 fans and gpu fan and cpu fan. surely thats enough. the case even has space for more than that!!#the acrylic side reflects my keyboard too. so niceys. stimulation for my creature eyes#my desk is gonna be so fucked up when i have to organize everything too bc the one i have now is perfecly laptop-oriented#it sits on a custom wooden desk and the keyboard+drawing tablet sit below. but theres a shelf on top of my desk thats too low for the>#>normal monitor to sit to so i wont be able to use the custom desk. and i dont even know what ill do with my laptop either#finally a good change in my sad life routine fr. i cant wait to play watchdogs on this and overgrowth and other ones#AND LAGLESS KRITA SMUDGE ENGINE BRUSHES!!! AND DOUBLE BRUSHES. THEYRE SO LAGGY#A N D ACTUAL FULL HD NORMAL MONITOR. maybe that will get me to not draw in small canvases anymore#now im anxious i just want the day to be over to get the monitor tomorrow aouugh.. just bc i started coding my resources neocities page#dextxt#<the 'major life events' ((sorta)) tag returns. one for the books.. if something bad happens.. itll be here to remind me of the good times
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Why did my service light come on? I have a Pontiac Sunfire 2002, and when I start to move the car, the headlight indicator flashes a bunch, then the service light comes on.
The service light activation and flashing headlight indicator in your 2002 Pontiac Sunfire are likely caused by an electrical system issue, possibly involving the battery, alternator, or wiring. Here's a structured diagnosis and solution:
Common Causes & Solutions
1. Weak or Dead Battery
Symptoms: Service light on startup, headlights flickering/flashing, dim interior lights.
Why It Happens: A weak battery struggles to maintain voltage under load (e.g., starting the engine, powering electronics), triggering the ECU to log a fault code (e.g., P0172 for fuel trim issues).
How to Fix:
Test Voltage: Use a multimeter to check battery voltage with the engine off (should be 12.6–12.8V).
Jump-Start Test: If voltage dips below 10V during cranking, the battery is likely dead.
Replace Battery: If over 5 years old (common in 2002 models), replace with a fresh AGM battery.
2. Faulty Alternator
Symptoms: Service light after driving, headlights dimming at idle, or electrical accessories (radio, AC) cutting out.
Why It Happens: A failing alternator cannot recharge the battery, causing voltage drops that trigger the ECU.
How to Fix:
Check Alternator Output: With the engine running, measure voltage at the battery terminals (should be 13.5–14.5V).
Inspect Belt: Ensure the serpentine belt is tight and not cracked.
Replace Alternator: If output is low or bearings are noisy, replace the alternator.
3. Corroded or Loose Battery Terminals
Symptoms: Intermittent electrical issues, clicking sounds when starting.
Why It Happens: Corrosion or loose connections cause poor electrical flow, leading to voltage spikes/drops.
How to Fix:
Clean Terminals: Use baking soda and vinegar to remove corrosion.
Tighten Connections: Ensure terminals are snug and secure.
Inspect Cables: Look for frayed or damaged wires between the battery and chassis.
4. Headlight Circuit Issues
Symptoms: Flashing headlights, fog light malfunctions, or burnt-out bulbs.
Why It Happens: A short circuit, blown fuse, or faulty relay in the headlight wiring can cause erratic behavior.
How to Fix:
Check Fuse Box: Locate the headlight fuse (usually labeled "HEADLIGHT" or "HIGH BEAM"). Replace if blown.
Inspect Wiring: Trace wires from the headlights to the fuse box for damage, kinks, or rodents.
Test Relays: Swap the headlight relay with a known good one (located in the fuse box).
5. ECU or Sensor Malfunction
Symptoms: Service light with no obvious electrical issues, rough idling, or poor acceleration.
Why It Happens: A faulty oxygen sensor, coolant temperature sensor, or ECU calibration error can trigger false warnings.
How to Fix:
Scan for Codes: Use an OBD-II scanner (e.g., AutoZone Code Reader) to retrieve trouble codes.
Replace Sensors: If codes point to a bad oxygen sensor (P0171/P0172) or coolant temp sensor (P0128), replace them.
Reset ECU: Disconnect the battery for 15 minutes to reset the system (note: this clears codes but doesn’t fix underlying issues).
Step-by-Step Diagnostic Flow
Check Battery: Test voltage and condition. Charge or replace if needed.
Inspect Terminals & Cables: Clean and tighten connections.
Test Alternator: Measure output voltage while running.
Headlight Circuit: Check fuses, wiring, and relays.
Scan for Codes: Use a diagnostic tool to identify ECU-specific issues.
When to Seek Professional Help
If you’re unable to diagnose the issue yourself.
If the problem persists after checking all electrical components.
If the ECU reports a specific code (e.g., P0300 for misfires, P0450 for a leaky evaporative system).
A mechanic can perform a full electrical system inspection and use advanced tools to pinpoint faults in the wiring, sensors, or ECU. For a 2002 model, electrical gremlins are common due to age, so patience and thorough testing are key!
#led lights#youtube#led light#electrical#solution#electrician#manufacturing#electronics#electrical engineers
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https://www.futureelectronics.com/p/semiconductors--Led-lighting-components--led-driver-modules-rev--constant-current-acdc-led-drivers/ess030w-0500-42-erp-power-3120461
LED driver converts, DC-to-DC converter, power supply switching, high power led
100 - 277Vac, 21W, 500mA, 24-42V, [0-10V, TRI...], IP64 LED Driver
#Constant Current AC/DC LED Drivers#ESS030W-0500-42#ERP Power#converts#DC-to-DC converter#power supply switching#high power led#engine#replacement#circuit#Modules#LED Lighting Components#switch mode power supplies
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did you guys know youtube had a whole different section dedicated to like. not celebrity/music stuff or like studying stuff
#i can't believe how many videos are there for stupid small things#like i looked up how to wash clothes cause this fuckass place doesn't have a washing machine#and i got lost in it and scrolled for like an hour there's so many like techniques and weird tech and people recommending#fabric softener#also i looked up how to make white led light yellow i didn't think it could happen i just wanted to see#and it's crazy it didn't help me because im not like a freakinh engineer but people have taken apart those tiny bulbs#and kucb toh smal small they do to mske it disco light#so funny#one person commented bhai itni mehnat karne se accha toh kharid hi leta and op said i like diy with a sad emoji
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https://www.futureelectronics.com/p/semiconductors--lighting-solutions--light-engine-led-assemblies--light-engines/ess015w-0350-42-erp-power-4089170
Outdoor Light, brightest light bulbs, LED lighting systems, retrofit LED lamp
100 - 277Vac, 14.7W, 350mA, 24-42V, [0-10V, TRI...], IP64 LED Driver
#Lighting Solutions#LED Assemblies#Light Engines#ESS015W-0350-42#ERP Power#Outdoor Light#brightest light bulbs#LED lighting systems#retrofit LED lamp#replacement bulbs#High Bay Lights#modules#Fiber Optic#LED manufacturers#Spot Lights
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https://www.futureelectronics.com/p/semiconductors--lighting-solutions--light-engine-led-assemblies--light-engines/ess015w-0350-42-erp-power-4119364
Optic light engine, Led light engine fiber optic, led light module, led voltage
100 - 277Vac, 14.7W, 350mA, 24-42V, [0-10V, TRI...], IP64 LED Driver
#ERP Power#ESS015W-0350-42#Lighting Solutions#LED Assemblies#Light Engines#optic light engine#fiber optic#module#led voltage#Light-Emitting Diode#Led headlights#led light#led lamp#led replacement bulbs#led diode circuit#led assemblies
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https://www.futureelectronics.com/p/semiconductors--Led-lighting-components--led-driver-modules-rev--constant-current-acdc-led-drivers/esp050w-1200-42-erp-power-9123903
Led light module, LED light engine replacement, fiber optic lighting
50 W max, Programmable 600 to 1200 mA Iout, 42 V max Vout
#ERP Power#PSB50E-1200-42#Lighting Solutions#LED Assemblies#Light Engines#led light module#replacement#fiber optic#lightbulbs#led lights#led lamps#led light module replacement#led bulbs#outdoor led lighting#led lights home#led lens
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https://www.futureelectronics.com/p/semiconductors--lighting-solutions--light-engine-led-assemblies--light-engines/psb50e-1200-42-t-erp-power-9101329
Light engine lighting, light engine fiber optic, LED light engine module, led light bulbs
50 W max, Programmable 600 to 1200 mA Iout, 42 V max Vout
#Lighting Solutions#LED Assemblies#Light Engines#PSB50E-1200-42-T#ERP Power#lighting#light engine fiber optic#LED light engine module#led light bulbs#LED light engine replacement#led lightbulbs#light module replacement
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