ORIGINAL MESSAGE: (may be snipped) On Mon, 10 Jun 2013 18:51:51 +0000, Manfred wrote: > >In most cases either ICs like the one you used, or like the DS18S20, or >small cheap transistors are the most practical solutions. REPLY: Thank you, Manfred. I do like the idea of a diode-connected transistor. I'll look into that further. 73, Bill W6WRT