This biestable touch circuit was found in American 1980s documentation. The circuit must not be powered by a source without a transformer. Sensitivity depends on the 10 M resistors.
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...