Dual Channel MCU Adjustable Display Pattern LED VU Meter Level Indicator 16 LED
5,49 €
S1 in normal display mode,Adjust the intensity of the input signal. Signal input range: minimum 300 mv. Max 5 v (don't take too strong signal). maximum current: about 70 mA. Two buttons S1 and S2,Long press (more than 1 second)and Short press (less than 1 second greater than 0.2 seconds).
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