This TTL counter was found in the March 1991 issue of Radio Electronics magazine. The circuit is part of a larger project and must be powered by a 5V voltage.
The purpose of this circuit is to emit infrared pulses. However, LEDs for visible light can also...
This circuit was suggested by Philips in 1967 documentation. The circuit receives modulated light and has...
This sophisticated decade of benchtop resistors was found in the November 1989 issue of Radio...