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 is from old American documentation intended to trigger the flash of a camera flash with...
This circuit was obtained from an American 80's documentation. The transistors can be 2N2222 and...
This circuit was found in an old documentation from Europe. The integrated circuit used is...