Flashlight control toy or sport model circuit

Published:2011/4/29 4:56:00 Author:Nicole | Keyword: flashlight, toy, sport model | From:SeekIC

There are two cells in the flashlight, when irradiating the phototube about 152.4cm(5 feet) away, it can start the motor of toy or sport model, and it can keep running about 457.2cm(15 feet) shone in the lights around the indoor. The PNP type power transistor(Q2) requires that it can bear the flowing current of mode motor, the cells are fixed in mode.



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