Is Seeed Studio XIAO ESP32C3 SHT40 Temp Sensor Compatible with Home Assistant (ESPHome)?
Hardware Safety & Electrical Verification
Electrical parameters & logic voltage safety limits before powering ICs
## Compatibility Overview
Ultra-compact thumbnail-sized XIAO ESP32C3 board paired with SHT40 temperature and humidity sensor for miniature wireless nodes.
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 | I2C Bus / 3.3V |
| Bridge Required | NO |
| Border Router Needed | None |
| Hardware Capabilities & Peripherals | High Precision Temp (C) Relative Humidity (%) Note: Exposing entities to Home Assistant requires corresponding YAML component config. |
| Pairing Complexity | Plug-and-Play |
| Factory Reset Instruction | Short GPIO9 to GND during USB connection. |
## Step-by-Step Pairing Guide
Factory Reset Device
Short GPIO9 to GND during USB connection.
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 (High Precision Temp (C), Relative Humidity (%)) report live state changes inside Home Assistant (ESPHome).
Production Code Generator & Preset Toolkit
Pre-configured pinouts & drivers for Seeed Studio XIAO ESP32C3 SHT40 Temp Sensor
Report a Pinout Error or Submit Tested Code Snippets
Found a pin mapping quirk or built a custom ESPHome YAML driver for Seeed Studio XIAO ESP32C3 SHT40 Temp Sensor? Help us keep this matrix 100% accurate.