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dcb · 04-06-2011, 05:11 AM

I assume this is a "homebuilt"?

the 47k resistor makes a just usable pulse well on the zener knee with 12v input.

I would suggest something more like 10k if you are sure you have a 5v signal.

Also of course I am not in a position to rule out software variables if it is customized (code branch, different fuses, extra code injected by arduino??).

04-06-2011, 05:11 AM	#2 (permalink)
dcb needs more cowbell Join Date: Feb 2008 Location: ÿ Posts: 5,038 pimp mobile - '81 suzuki gs 250 t 90 day: 96.29 mpg (US) schnitzel - '01 Volkswagen Golf TDI 90 day: 53.56 mpg (US) Thanks: 158 Thanked 269 Times in 212 Posts	I assume this is a "homebuilt"? the 47k resistor makes a just usable pulse well on the zener knee with 12v input. I would suggest something more like 10k if you are sure you have a 5v signal. Also of course I am not in a position to rule out software variables if it is customized (code branch, different fuses, extra code injected by arduino??). __________________ WINDMILLS DO NOT WORK THAT WAY!!!