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(3) Connection Diagram
Attention:GND,VCC, SDA, SCL of 8x16 LED panel are respectively
linked with -(GND), +(VCC), SDA ,SCL. And "-"、"+" and S of
IR receiver module are attached to G(GND), V(VCC) and A0 on
sensor shield. On the condition of insufficient digital ports, the
analog ports can be treat as digital ports. A0 equals to digital 14, A1
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