Using a DAC038 IC this circuit is from Radio Electronics from May 1983. The circuit must be powered with a 5 V source and uses common operating outputs.
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...