Found in the February 1997 Electronics Now magazine, this circuit controls motors according to the transistor used. For the transistor indicated, the maximum current is 200 mA.
Very strong audio spikes in a headset can damage the ear. This circuit, from a 90s Popular...
This circuit is suggested by National Semiconductor and can serve as a basis for an excellent...
This circuit allows 220 / 240V shavers to be used in the 110V network. The diodes can be general...