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Sunday, 9 June 2013

SPEED CONTROLLER FOR AC MOTORS

THIS circuit is used to control brightness of mains lights and the speed of AC motors. It uses a triac, diac and has a radio-frequency interference (RFI) noise suppression circuit built into it as well. Caution: this Kit connects directly to mains power supply. You must know what you are doing as mains voltages can be lethal. The board must be put in a suitable enclosed box before using. The kit is constructed on a single-sided...