Found in a 1991 PE Hobbyst Handbook, this circuit activates an oscillator that deactivates at the end of the programmed time. Transistors are commonly used.
This circuit was found in a Motorola documentation from the 70s. The components are from the time,...
We found this circuit in an old documentation from the 70s, but it can be assembled with more...
August 2016 - It can be purchased from Mouser Electronics the new digital isolators ADuM120N and...