This circuit also detects IR, providing LED indication. The circuit is used to indicate humidity in bench tests. We found it in the Radio Electronics magazine of February 1990.
Found in an Electronics World of 1968 this circuit can use current SCRs and the diodes are...
This simple half-wave control using an SCR, which may be TIC106, has been obtained from a US...
May 2016 - Mouser Electronics is sourcing the new high-performance audio amplifiers with bipolar...