On Bench ECMs

[Dean]

This may be of use.
Sorry ASCII people I only have it in GIF.

Dean.

(-;	There are 3 kinds of people in this world..... those who can count
	& those who can't.

;-)

> For doing this ecm testing on bench I need to come up with a
> 0-4,000 pulse/min 50% PWM for the speedo, 0-6000 rpm
> V-8 tach signal, and something like a O2 swing...
> Would anyone have something like that hanging around/whip
> up a 555 schematic for me?.   Sure be quicker than me
> trying to figure it out.  Can use a audio transformer for Pick
> up coil input right?..
> Cheers  Bruce  Wonder how many little black dodaads will
>                           loose their smoke over this