[ATM] device controllers

[Dominic-Luc Webb]

On Thu, 1 Feb 2007, Ken Hunter wrote:

> Why go to the trouble of a PIC and a program? A 555 timer
> and potentiometer are within the design parameters of the
> device you are wanting and can easily drive the same
> Triac's (or relay)...

Not sure about easily. I have had some major adventures getting
555 timers to drive transistors. On the other hand, I have an
excellent PMT power supply that can give pulses to a HV relay
that works great. There are plenty of cheap/simple 2 transistor
circuits out there that can do this as well.

Dominic-Luc Webb