This circuit was found in an old GE manual. It uses a thermocouple as a sensor. The SCR must be in accordance with the power of the controlled load.
Found in a 90s Popular Electronics, this circuit fires an old flash of xenon from the pulse of...
Other operational amplifiers can be used on this unit gain amplifier. The circuit is from the 1993...
This circuit was found in Motorola documentation from 1966. The lamps are according to power and...