The temperature range of this circuit is different from the previous one, while maintaining the same configuration. The circuit is from a Radio Electronics from June 1985.
For those who like experimental circuits, here is a sequential flasher system with LEDs, which can be...
This circuit can be used in broilers, greenhouses, drying chambers to regulate the temperature in a simple...
This circuit consists of an electrostatic sensor that can check if a cable is energized by simply...