This circuit is from the time when slide projects were used. We find it in a 90's Wels’ Think Tank. The lead times can be adjusted from 5 to 30 seconds.
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...