This indicator with the integrated circuits CA3162E and 3161E was published in the July 1990 issue of Radio Electronics magazine. The circuit can be used as a basis for 3-digit projects.
This circuit functions as a thermostat triggering a relay when the boil control temperature...
Found in a book on transistors from the 50's. This receiver is very sensitive and features...
Using only discrete components, this circuit can control loads up to 8 kW. SCRs should be...