Using a sensor from the time, this circuit was found in the 1992 Radio Electronics Handbook magazine. The circuit uses a pair of integrated two-digit A/D converters.
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...