RS485 MODBUS-RTU Soil NPK Measure Sensor (IP68, 5-30V)

RS485 soil sensor measuring nitrogen, phosphorus, and potassium content via MODBUS-RTU. Durable IP68-rated construction; compatible with Arduino and 5–30V systems.

Logical pinout · physical placement not verified

VCC1
Type · Power
GND2
Type · Ground
RS485-A3
Type · Signal
RS485-B4
Type · Signal

Pin	Position	Type
VCC	1	Power
GND	2	Ground
RS485-A	3	Signal
RS485-B	4	Signal

Logical pinout · physical placement not verified

Pin details

4 connections

VCC
Power
1
GND
Ground
2
RS485-A
Signal
3
RS485-B
Signal
4

Start wiring

Analog · UART · 3.3 – 5 V · Gravity

Verify supply voltage and logic levels before powering up.

Module pins: VCC, GND, RS485-A, RS485-B. Schematik maps them to your board in the app.

Soil & liquid

80 other options

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