Homebrew_PCBs

--- 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 !
>

--- In Homebrew_PCBs@yahoogroups.com, "sailingto" <sailingtoo@...> wrote:
>
>
> 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 !
> >
>

--- In Homebrew_PCBs@yahoogroups.com, "sailingto" <sailingtoo@...> wrote:
>
>
> 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 !
> >
>