The component used in this circuit is uncommon today, as the circuit was obtained from Motorola's Linear Databook of 1990. The circuit consists of a 5 V x 500 mA switched regulator.
The project presented consists of a flasher alternated with relay, which can be installed at the...
We found this inverter in a Popular Electronics from the 1980s. The output is not perfectly...
The frequency of this oscillator depends on the coil and capacitors C1 and C2. For 1 MHz L1 is...