This static switch or triac contactor was obtained from Philips 1969 documentation. The SCR is from the era, but modern equivalents depending on the load can be used.
The project that we present below is very interesting, serving to identify remote calls such as in...
This experimental AM radio circuit was found in a 1979 English magazine. It can be fitted with a...
The purpose of this circuit is to amplify the signal of a phone pickup and to be able to reproduce the...