This circuit was found in an American documentation from the 90's. What it does is provide at the output a voltage that is the average of the voltages set for the inputs.
This sensitive passage alarm was found in the August 1971 Radio Electronics magazine. The light...
This filter has the components calculated for the frequency of 1 kHz but can be changed. The input...
The direction of rotation of the M motor can be controlled by an Arduino or another...