This circuit found in the February 1992 issue of Radio Electronics magazine is designed to adapt an audio signal for use in a computer's ADC. It can be adapted to operate with microcontrollers.
This circuit was found in a 1968’s publication and uses germanium transistors. Equivalents can be...
This common metronome configuration has already appeared in several of our articles and projects. This...
Using a 4018 IC and one gate of the 4081 it is possible to divide the frequency of digital signals by...