Tach input from spark voltage (BEWARE!!!)

[Grant Beattie]

On Sat, 19 Oct 1996, hoss karoly wrote:

> wow ! don't try it unless U wish to fry a few components
> the good 'ol points & coil sys the primary runs up to 3-400 volts
> the spikes are MUCH higher so BEWARE !

Well, a few hundred volts shouldn't be un-solvable.  Many of the Nat Semi 
devices connect directly to the "points" with a few passive components.

GB