#knocksensor

[sparepartzone]

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[sparevehiclepart]

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[carspartshop]

If your car door is rusted or broken, then it is the right choice to replace your vehicle doors. Getting a new door can be a costly affair. So, choosing used car doors is an excellent option. Such doors are less than half the price of a new door saving you a significant amount of money.

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[oemusedcarparts]

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[autovparts]

The car door provides a rigid structure to the car but also consists of the window, electronic parts, and hardware enhancing its functionality and comfort.

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[autodiycenter]

P2336: Cylinder #1 Above Knock Threshold. Risk Level: STOP DRIVING Repair Immediately

[indmarparts]

Indmar SENSOR KNOCK GM 8.1L (ALL 8.1L Only), Use Only For the 8.1L Engine. Other Engines Should Use Part # S556015, Sold Individually, Indmar S551291 8.1L Replacement Knock Sensor. 

[yaseraltaweel-blog]

What is the knock sensor? How does it work?

The knock sensor detects vibrations that come from a knock or an irregularity in combustion and send a signal to the engine control computer, which then adjusts timing to correct the knock.

The important function of the knock sensor is to send the data via signals to the vehicle's control units to provide or delay the combustion process, as well as to increase and adjust the fuel mixture and air to minimize the pollution.

 The knock sensor is located on the engine block, cylinder head or intake manifold. This is because its function is to sense vibrations caused by engine knock or detonation. The PCM uses this signal to alter the ignition timing and prevent detonation.

For further information, you can visit q motors

You can also sell your used car or buy a car in Qmotor.

[autodiagnostics72-blog]

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[burningdestinyninja-blog]

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[autovparts]

Car bumpers have protruding plastic, or metal shrouds called bumper covers that surround energy-absorbing materials. They are intended to absorb front and rear impact and reduce low-speed collision damage.

In the U.S, passenger car bumpers must be able to withstand a five-mph impact from another vehicle while causing no damage to the vehicle’s body.

That material squishes down between both the reinforcing bar and the vehicle’s body during impact.

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[agearhead4life]

The "Family Wagon" 2001 Tahoe has had a knock sensor code for a while now and today I finally got a chance to change them out. Look at them nasty things! Water gets in their cavity and rusts them out. Their harness was deteriorating as well. So I put new sensors in, replaced the harness and sealed them up with RTV. No more CEL. A knock sensor code will pull timing which will take away power and probably fuel mileage as well. I'm glad to finally get this fixed. #knocksensor #nbs #tahoe #lsknocksensorcode #ls

[hifiaudioquality]

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Hi all,

It has been a while since I have posted anything to my blog. I figured I would start adding things in preparation of trying to find a Summer internship. I will begin by posting a fairly old project, but I will be going into detail of how I accomplished such task.

The Start

One late night my friends were over and one was particularly intoxicated. To make matters more interesting, he was upset about a recent break-up with his girlfriend. This lead to a series of unfortunate events, one event in particular was the happening of him punching a hole through my cheap cardboard-like apartment door.

“I wish I had a picture of the damage, but he had a weak punch.”

The Beginning of the Custom Door

I started by first making sure my semi-conscious friend was OK and then I continued to hassle a free door out of him. The next week he arrived with a fresh door that fit in the doorway to replace the door which had previously been beaten by his fists.

I then thought to myself, “why waste a perfectly normal door with a minor amount of damage?”

So then came the brainstorming... I though of various ways to manipulate this door to my liking. I thought maybe I could try to turn it into a one-way mirror... No, too creepy. Maybe I could throw a TV on it.... No, that’s useless.

Then I thought, “wouldn’t it be cool to turn it into something that would react to someone’s knock?”

I eventually decided upon using my University’s logo onto it and then cutting out the lettering for the school and the mascot’s eye and placing 5mm LEDs behind it.

Designing Challenge

I then thought of how I would fit LEDs to the back of this door while not making a huge mess. Well to my suprise, the door is basically two sheets of veneer or cardboard separated by IKEA-like corrogated cardboard. The image below is exactly like the one I used below but is only for reference.

So i thought of a way to use the door to it’s potential. It includes using a cutout of one layer of cardboard, flipping it over and mounting everything to the flipped piece of cardboard.

Once I had cutout the back of the door, I had a large working canvas. I then drew the logo on the front of the door and painted over it with cheap paint. I wasn’t too careful as I am by no mean an artist. I then sprayed over the logo and door with a lacquer satin finish. 

The circuit

The knock sensor is a simple piezoelectric transducer, wired in parallel with a 1 Mega-Ohm resistor, in parallel with a 5v Zener Diode. The output of this was fed into a microcontroller. I used a ATTiny2313 for this project although I could have easily gotten away with much less pins. I only used 4 pins in this project. 1 input and 3 outputs. Each output is connected to a NPN transistor which is tied to each RGB LED’s cathode. Each LED is wired in parallel on the back of the one piece of cardboard. I have included the project time-lapse of the wiring of the door.

The Dark Side

The back of this door is truly ugly and quite hideous. Oh well, hindsight is always 20-20. If I were to do this project again, I would definitely chose to implement LED strips to make my life easier. I would also use a custom PCB that would fit snug inside of the door.

The Coding

When I initally wrote the code in the Arduino IDE, the digitalWrite() function takes up too much memory. Especially when dealing with the ATTiny2313 which only has 2kB of memory. This made everything a challenge in terms of coding, unfortunately I don’t have the computer I programmed this with anymore. 

I will give you a hint as to how this works though. 

The code contains three variables for each color RGB. When the door has sensed a knock, it chooses at random a color to be set all the way high. It then decreases the intensity of each color as each couple milliseconds passes by. It continues to do this until each color is at it’s lowest setting of zero. This means the colors can overlap while someone is knocking-on the door. This makes for a brilliant color display when continuously knocking on the door, almost as if it were a firework display on the door.

Conclusion

I hope you liked my project as much as I did, feel free to contact me with any questions or concerns. I am not the best and I know that. I am just making my way towards becoming an electrical engineer and any help along the way is appreciated. Thanks for reading/watching!

Have a nice day!

[volksbugly]

#fullsequential #camsync #coilnearplug #oilpressure #knocksensor — view on Instagram http://ift.tt/2qgX2Zt

[burningdestinyninja-blog]

Email: onlineshop588@outlook.com whatsapp/line/iMessage/imo/wechat/phone:+86 176-2095-6753 #autopartsfactory #autoparts #autoshop #autopartswholesaler #steeringwheelswitch #windowlifterswitchbutton #ignitioncoil #oxygensensor #knocksensor #parkingsensor #crankshaftpositionsensor #airbagclockspring#fuelpump #fuelinjector #coilpacks #genuineparts #massairflowmeter #flowmeter #highperformanceparts #vvtvalve #autosensor #caraccessories #sparkplugs #ignitionswitch（在 Guangzhou, China）

[sparevehiclepart]

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