Greg London wrote: > If I put the 12v battery to the Gate on a n channel mosfet, > have the Source tied to ground, and have a 10k ohm resistor > from the Drain to a programmable output of the microcontroller, > then the Gate will effectively give me zero current there... > > The problem is the transistor amplification factor is different > from transistor to transistor...
You're just reiterating a solution you described in your prior posting, right? You made the problems with this approach clear the first time, so lets move on to other options... > I can't think of a way to do it with a single transistor. > I think it needs at least two transistors or an optocoupler. OK, so what's wrong with two transistors? (bipolar or MOSFET) -Tom _______________________________________________ Hardwarehacking mailing list [email protected] http://lists.blu.org/mailman/listinfo/hardwarehacking
