My EFI ECM has a tach output, I plan to use that as speed input on governor. This signal is a square wave between 0-12V, so I will need to condition it.
The ADC, analog - digital converters are coming from China, will be 2-6 weeks, glad not in hurry. These are 16 bit, so will provide a lot of resolution.
I am still not sure on the PWM pulse width modulation driver for the throttle. I still want to go with an external converter so I can get better resolution.
I think I will use existing throttle body, that way it can be adapted to any engine, with or without drive by wire. I think a hobbyist servo will work fine for this, I can mount it and intercept the throttle rod from the existing governor.
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Today's Featured Article - My Ford Golden Jubilee - by Troy Estes. This article is about my '53 Ford Jubilee and a story that starts with taking the tractor to my brother's Starter/Alternator Rebuilding shop for a wiring fix. The generator was shot as well as all the wiring. I dropped off the tractor expecting a transformation from a 6 volt to a 12 volt system utilizing the original generator housing, and a total rewiring of the whole tractor. The front end center pin bushing was worn also so I ask that they replace it if they had time. Well, that’s wha
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