Wiring

Connecting wires incorrectly will destroy electronic components.

MCU

Use the table below to connect the wires between the MCU and the power bus.

MCU	Power bus
GND	-
5V	+

Rotary encoder

Use the table below to connect the wires between the MCU, rotary encoder and power bus.

Rotary encoder	Power bus	MCU
GND	-
+	+
SW		A3
DT		A2
CLK		A1

Display

Use the table below to connect the wires between the MCU, display and power bus. The pins of the display are numbered from top to bottom.

Display	Power bus	MCU
(1) GND	-
(2) VCC	+
(3) SCK		A5
(4) SDA		A4

LED Ring (Optional)

Use the table below to connect the wires between the LED ring, MCU and power bus. The pins of the display are numbered from top to bottom.

LED Ring	Power bus	MCU
GND	-
VCC	+
DI		D12