LED Strobe (CB22126E)

In this very simple circuit, the LED flashes at a frequency of 60 Hz. It is convenient to check the inverse voltage supported by the LED used.

Flashlight Remote Control (CB10851E)
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
Varicap Oscillator (CB15538E)
Using a 100 uH inductor for L1, this circuit will oscillate around 1 MHz. The frequency will be...
Solenoid Driver (CB5184E)
This low current solenoid driver was found in an ancient American documentation. The solenoid must be...