Rhea Rae-
1Wiring Table Ender 3 Display to R3
Wiring Table
Ender EXP3 Pin Connect To 5V 5V GND GND Chip Select D10 Data D11 Clock D13 Knob Rotation D2 Knob Rotation 2 D3 Knob Button D4 Beeper D8 -
2DS3231 Wiring Table to R3
DS3231 RTC (I2C)
RTC Pin Uno Pin VCC 5V GND GND SDA A4 SCL A5 -
3Outdoor Weather R4 Wiring Table
Outdoor Weather R4 (I2C, address 0x12) Connects to R3
Also uses I2C bus:
R4 Pin Uno Pin VCC 5V or 3.3V (depends on board) GND GND SDA A4 SCL A5
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