Remote control motorize volume board use a two gang volume pot 4 channel single end input selected by relay, on board regulate supply so only need a 9 or 12V ac power transformer (not included) Can also control the input by a rotary encoder 100K Alps motorized pot board size: L 120mm X W 55mm
Kits include:
one pcs of mian pcb, one relay board, IR receiver, one rotary encoder and one remote handset

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power transform: |
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