Based on Radio Shack 276-137, this circuit was found in the December 1995 issue of Electronics Now magazine. The circuit drives an LED but could use a relay instead.
This circuit is from a 1966 Motorola Field Effect Transistors Manual. The circuit makes use of...
We find this circuit measuring from 1 to 1000 mW of power from small transmitters and oscillators in...
This traditional stable configuration with the TTL 7400 integrated circuit was obtained in a...