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  4. 1.expansion board soldering guide
  5. 1.3 connection expansion board to arduino

1.3 connection expansion board to arduino

Hardware connection principle:

expansion board ———- arduino port
Control 1 ——— A0
Control 2 ——— A1
Control 3 ——— A2
Control 4 ——— A3

Servo:-arduino

Servo 1 ——— D11
Servo 2 ——— D10
Servo 3 ——— D9
Servo 4 ——— D6

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