This circuit with TTL integrated circuits was found in the December 1987 issue of Radio Electronics magazine. The circuit uses a LED scale and is suitable for gaming applications.
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...