This circuit turns off after a time given by capacitor C1. This component can have from 1 to 1,000 uF depending on the desired time. The circuit is from an Electronics Now from June 1995.
We found this circuit in an English documentation from 1995. The circuit makes use of common...
This circuit was found in an Electronics World of 1968. The transistor can be any general purpose and...
This micro FM transmitter uses a tunnel diode as an oscillator. I found it in an English...