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HX711 Weight Sensor Connection

Connection via RJ45

A step-down converter must be used. On the port 5V (2(O)-VCC, 8(Br) - GND), HX711 supply voltage is 3.3V

Connector Purpose
1(WO) not connected
2(O) VCC (5V)
3(WG) SCALE_S0
4(B) SCALE_S1
5(WB) SCALE_SCK
6(G) SCALE_DT
7(WBr) not connected
8(Br) GND

Connection to controller

  • SCALE_DT → H2
  • SCALE_SCK → FAN2
  • SCALE_S0 → SRV2
  • SCALE_S1 → T2

RJ45 Scheme

| DT | SCK | S0 | S1 | VCC | GND |
  |     |     |    |    |     |   
 (G)  (WB)  (WG)  (B)  (O)   (Br)