Relays up to 100 mA can be driven by the 555 with the recommended circuit. The circuit is from an article in the September 1992 Radio Electronics magazine.
November 2016 - Mouser Electronics is selling the entry circuit for Analog Devices AD8232 and...
We found this circuit in an old neon lamp application manual. The circuit stores a call. The...
This project was originally made to feed small microcomputers of the time (1986). However, the basic...