On Friday, 22 May 2015 17:26:41 UTC+1, Andy Burns wrote:
nt wrote:
Andrew Mawson wrote:
rick wrote:
https://www.dropbox.com/s/rewcotpvkd...rcuit.jpg?dl=0
Some good old classic components in that circuit
I can't see anything on that page
It's the image from this article
http://electroschematics.com/4788/
thanks you two.
That circuit contains no feedback, making it bangbang operation rather than proportional.
Using transistors as temp sensors is cheaper.
NT