This charger was found in the February 1978 issue of Radio Electronics magazine. The circuit is for low current, only 150 mA, and has a 12 V transformer in the power source.
This circuit was found in a 90s Popular Electronics. The circuit uses several relays in order to...
This circuit was obtained in an old manual valid for practically any type of operational...
This bank of switches can be programmed in a variety of ways for logic experiments. The circuit is from...