This shield with full-wave triggering was found in the Radio Electronics Experimenter magazine of 1989. The Triac must be according to the load that must be controlled.
This circuit appears elsewhere in this section, but taken from other sources. This is an English...
Found in a 1975 radio amateur publication, this simple oscillator is for code practice. The PNP...
This circuit for some amps was found in a 90s Radio Electronics. The voltage can be between 6 and 25 V...