Usually a loose or failing switch will also cause the car to run poorly, but if the problem is very minor it can begin as an erratic tach signal. ... Look for corrosion, a broken wire, or a loose connection anywhere between the coil terminal and the tachometer. What would cause my sp...
If the engine control module detects an issue with the idle air control valve circuit or signal, for instance, it notices the varying number of revolutions per minute, it willactivate the Check Engine warning light on the dashboard.Of course, a whole host of issues can set off the Check E...
Typical audio signal The International System of Units (SI) term for current isAmpere, commonly abbreviated to the word “amps” and written with the symbol A. Current is also often written with the letter I. This goes back to the French phrase intensité de courant (“current intensity” in...
It doesn’t feel right to push current (that should have gone to Gnd) into the signal input on the switch. Even though the current is very small. –Noctua fan is very stable on the signal. –Noctua might have a slightly lower voltage on the signal than the original fan. –Noise… he...
Tachometer ( Distance counter ) Note the expected information down in a grid like the one in the pictures for this step At the moment you will only be populating the information and ID columns. Step 6: Part 2: Reading Data From the CAN Bus ...
One of the most interesting things about car odometers is how the information is transmitted to the dashboard. Instead of a spinning cable transmitting the distance signal, the distance (along with a lot of other data) is transmitted over a single wire communications bus from the engine control...
When the car is moving away from the radar gun, the second segment of the signal has to travel a greater distance to reach the car than the first segment of the signal. As you can see in the diagram below, this has the effect of "stretching out" the wave, or lowering its frequency...
to the tank and the number of received frames from the camera per second. The log window where Arduino, ESP and the application itself can record all sorts of events - handy for debugging.Button to start the acoustic suppression weapon - the sound signal. Settings window - you can adjust ...
The “Wiegand effect,” discovered almost 50 years ago, has been used successfully in several specialized applications, but its full potential for energy harvesting and signal generation has received only limited recognition. With recent enhancements to the energy output from Wiegand devices and the em...
I tried everything, from a new tach (actuall, a borrowed used one) to a new tach cable. With everything else pretty much eliminated, the worst-case scenario was about the only one left: The tachometer drive on the back of the engine was bad. ...