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[FAQ]ugi asked about Grove - Loudness Sensor

Can anyone tell me what"U4"is in the circuit diagram? It's a small 4-pin SMD component on the under-side is all that I know. A voltage regulator? Anyone have a part number? Thanks.


https://www.seeedstudio.com/Grove---Loudness-Sensor-p-1382.html
ugiJan 24,2018 07:29 AMAdd Comment

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