Is RS485 NPK Soil Sensor (EC/Temp/Moisture) Compatible with Home Assistant (ESPHome)?
Hardware Safety & Electrical Verification
Electrical parameters & logic voltage safety limits before powering ICs
## Compatibility Overview
Industrial 7-in-1 soil quality probe measuring soil NPK nutrients electrical conductivity temperature and moisture via Modbus RS485.
Interactive Pinout & Wiring Diagram
Hover over any pin to view voltage limits and pull-up specifications
## Technical Specification Matrix
| Feature / Attribute | Specification / Status |
|---|---|
| Hardware Protocol | Modbus RS485 / 3.3V to 5V |
| Bridge Required | NO |
| Border Router Needed | None |
| Exposed Entities | Soil Nitrogen (mg/kg) Phosphorus (mg/kg) Potassium (mg/kg) EC Conductivity |
| Pairing Complexity | Advanced |
| Factory Reset Instruction | Hold BOOT button for 3s. |
## Step-by-Step Pairing Guide
Factory Reset Device
Hold BOOT button for 3s.
Initialize Pairing Mode on Home Assistant (ESPHome)
Open Home Assistant (ESPHome) administration console, navigate to Integrations / Add Device, and start pairing scanner.
Confirm Entity Binding & State Verification
Verify that primary entities (Soil Nitrogen (mg/kg), Phosphorus (mg/kg), Potassium (mg/kg), EC Conductivity) report live state changes inside Home Assistant (ESPHome).
Production Code Generator & Preset Toolkit
Pre-configured pinouts & drivers for RS485 NPK Soil Sensor (EC/Temp/Moisture)
Report a Pinout Error or Submit Tested Code Snippets
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