This version of the traditional debounce circuit was found in a 1964 documentation. The circuit can be designed based on modern transistors.
With this circuit, power cables can be detected by simply approaching PP. PP is an antenna or...
Wien Bridge This Vienna bridge oscillator generates a sinusoidal signal whose frequency depends...
Lamps in the range between 20 and 50 mA can be used. Voltage supply is according the lamp and...