This dimmer for incandescent lamps was obtained from an American 1990s documentation. The circuit accepts triac-like loads that can be virtually any type. Triac must be fitted with a heat sink.
PIC18F “K40” Features Intelligent ADC with Filtering and Signal Analysis Capabilities Ideal for...
This circuit can be used as a buzzer from 3 different locations, allowing you to identify where it went...
This amplifier for public address was found in English documentation from 1967. The transistors are from...