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Spark Plug BAsed Project

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mepramo

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1.We want to monitor the frequency of the signal which controls the timing of spark plug. Do anyone know from where to tap this anonymous signal and shape and V,I ranges? As it need not be sine wave we think about an external comparator(op-amp) to generate square.

2. And then we have to find the dwell angle. Is it vary in current generation bikes (we have to do the work in BIKES). And whether the pulse width of previously generated square wave will give the dwell angle?

3.We need a sensor to monitor the exhaust CO content from vehicle. We find many of them in web. But could not find a particular one which may suit.
If anyone know about sensors pls reply.
 
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