Archive of the former Yahoo!Groups mailing list: Homebrew PCBs

previous by date index next by date
previous in topic topic list next in topic

Subject: Re: [Homebrew_PCBs] well i'm old ... sorry

From: Stefan Trethan <stefan_trethan@...>
Date: 2009-12-24

I used a thermistor, and a BC547 transisor in place of the ua741.
ICs are way too expensive to waste on a thermostat ;-)

ST

On Thu, Dec 24, 2009 at 6:31 PM, saposoft <sapoliste@...> wrote:
> I forgot the most important part !!
> Where it is !
> http://sites.google.com/site/elettronicaarduinoesperimenti/Home/thermostat-with-ua-741
>
>
>