Lady Heather will do it for you. It implements a nice temperature control PID. All it takes is a small fan/transistor swith and an enclosure (cardboard box). It uses one of the modem control signals on the serial port to PWM the fan speed. The details are in the comments at the start of the heather.cpp file
---------------------- I need to build a double oven for my thunderbolt and set it to about 50 Degrees C. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.