We found this circuit in an 80s Intersil documentation. Modern equivalent operating systems can be used. The potentiometer adjusts the detection level.
Luminus SST 20 Deep Red LED Mouser Electronics is announcing in its stock the SST-20, a 60%...
This 4093 IC continuity tester was found in the November 1986 Radio Electronics magazine. The...
This receiver circuit was found in a Hands On Electronics from the 90s. The circuit uses a PLL...