Homebrew_PCBs

On 1/1/2017 2:31 PM, Rob roomberg@... [Homebrew_PCBs] wrote:

>
>
> Wow
> all sorts of web sources explaining how to measure temp with diodes and
> transistors.
> https://youtu.be/fvjDWfRpdAI
>
>
>
>
>
> A transistor with two of three legs soldered together makes a
> temperature probe. Is
> the temperature inside of lam too hot? Google for temperature probe
> circuits like I
> do for other projects.
>
>
> ------------------------------------------------------------------------
> Posted by: Rob <roomberg@...>

You do realize that diodes and transistors can not handle the
temperatures involved while they have power. Most Silicon transistors
can handle up to 100C which is much lower than the temperature of the
rollers.


--
Cecil - k5nwa
http://thepartsplace.k5nwa.com/