Injector Duty Monitor

[Orin Eman]

> > I've searched the archives but could not find anything relevant. I am 
> > interested to make my own injector duty monitor..sort of like the 
> > air/fuel ratio..Can this be done? I am not very familiar with 
> > electronics, but I've seen similar products. Therefore, I hope that 
> > anyone of you super geniuses can help me. In Malaysia, I couldn't find 
> > such a product. And to import it in would cost me an arm and leg due to 
> > the import duties. Thank you.
> > 
> If intersested in microprocessor, I wrote some intro to PIC C 
> programs to do simple timing, will give 1us resolution, 65 ms range. 
> with rs232 output.  search under PIC 101.  Place a 500K resistor
> in series with input.


I have PIC16C84 code for a duty cycle meter - drives a 2 digit
multiplexed LED display.  I'll upload the code to the ftp site
when I get chance.

Orin.