This CMOS circuit was obtained in a 1980s documentation. The circuit has a 10-second time delay before firing. The transistor is a general-purpose type and power supply according to the relay.
September 2016 - can be purchased from Mouser Electronics the new transceivers MAX348x and MAX349x from...
This circuit was found in a 1978 English magazine. It is a configuration that aims to select the...
This simple rhythmic light for incandescent lamps can be found in old English documentation. The...