This circuit with a maximum current of 50 mA was found in the August 1998 issue of Electronics Now magazine. The integrated circuit used is not very common today.
This control for a small servomotor with a current of a few hundred milliamps was found in an...
This circuit was obtained from Hands-On Electronics, an American magazine of January 1987. The...
Relays up to 100 mA can be driven by the 555 with the recommended circuit. The circuit is from an...