5V Breathing Light Kits DIY Blue Flashing Lamp Electronic Sets LED 5mm
Product Description
Product Description
Working principle: U1 and its peripheral components form a self-excited oscillator, which is output from the LM1 foot. The oscillating signal acts on the Q1 triode to control the conduction degree of Q1, so as to control the luminance and breathing frequency of 2.
1 x 5V breathing light kit
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