I have made a board specifically for grabbing tach signal from coil negative. Works really well. Its about 20x20mm size and a few cheap components. let me know if you want one of these. I can supply you with a compatible code snippet as well.
I have made a board specifically for grabbing tach signal from coil negative. Works really well. Its about 20x20mm size and a few cheap components. let me know if you want one of these. I can supply you with a compatible code snippet as well.