Plant Battery Light with Auto on-off.ASF

1,337 views · Published 23 April 2010 · 6:34 · Indexed 23 October 2026

Channel: Lidmotor · 2010 · Science & Technology

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This is my 'Plant Battery Light' I named "Phyllis" with an added automatic on/off feature using a phototransistor.   "Phyllis" is running an oscillator circuit that drives two white LEDs in a variable blink mode.  Capacitors are shown storing and suppling the energy to the LED circuit.

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