This synthesizer circuit was found in a Radio Electronics magazine from May 1983. The circuit uses common components and does not require a balanced power supply.
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...