The idea of this circuit is that when the device in SO1 is turned on, the device connected to SO2 automatically receives power. The circuit is from Radio Electronics from January 1985.
April 2017 - Texas Instruments' new high-precision TMP468 sensor can now be obtained from Mouser...
We found this circuit in the September 1971 Radio Electronics magazine. The SCR can be any of the...
This 80's circuit uses germanium transistors like the AC125, AC151, AC163, 2N506 and others to...