Well, share with the rest of us - do you have schematic? photos? I've been looking for a "cheap" and easy to build temp controller.
Ken
--- In Homebrew_PCBs@yahoogroups.com, "saposoft" <sapoliste@...> wrote:
>
> I'm pretty sure to have seen something in this line previously in the group, but i' can't remember when , so I decided to do it myself .
> Based on an idea taken somewhere in the net , linked in a message in group (perhaps) , based on a well know feature of semiconductor junction... well nothing really original beside the fact that if you google for it probably you'll never find it.
> Big Fanfare !!!!
> the Incredible, Marvellous, New !!! Improved !!! Thermostat based on a UA741.
> or ... everybody is capable of makin' it with a LM311 !!!
> Ok sorry for the introduction, seriously , this a cheap thermo controller that you can build on a perf board with the component you have in the junk box . That's my 2 cents for the net.
> keep on the good work !
>