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.
This simple power supply, which is equivalent to 2 AAA or AA batteries, was found in an Elektor...
This circuit can source up to 1,000 V from a 9 V battery. Output current is very low, some...
The presented rectangular oscillator makes use of one of the four NAND ports of a 4093 integrated...