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 5.1 MHz oscillator was found in a 1980s American documentation. The used operational...
This configuration has already been used several times in many of our projects and can be found in...
This simple circuit makes use of neon lamps to indicate the voltage of a power grid. The lamps are...