This light effect circuit was found in the July 1971 Radio Electronics magazine. The circuit is powered by 110 V mains but can be modified depending on the triac and lamp.
This circuit was found in a 90s Radio Electronics. It is intended to amplify the sound channel of...
This circuit uses a 4020 counter that divides the frequency up to 210, being found in a former...
This circuit was found in a Radio Electronics magazine from May 1967. The circuit has the time...