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.
This circuit was obtained in a Popular Electronics of the 90s. The circuit can be assembled with...
This circuit was found in the July 1990 Radio Electronics magazine. It is based on the 3-digit...
June 2017 - Kemet T521's new high voltage capacitors with capacitances up to 330 uF and voltages...