7Semi ENS210 Library

Arduino library for the ENS210 High-Accuracy Temperature and Humidity Sensor.

Designed for reliability, CRC validation, and cross-platform compatibility (ESP32, AVR, and other Arduino-compatible boards).

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Features

• Temperature in Celsius
• Relative Humidity (%)
• Absolute Humidity (g/m³)
• CRC7 data validation
• Single-shot mode
• Continuous measurement mode
• I2C clock configuration
• Custom SDA/SCL support (ESP32)

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Supported Platforms

• ESP32
• AVR (UNO, Nano, Mega)
• Any board supporting Wire (I2C)

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Hardware Connection

ENS210 Pin	Arduino / ESP32
VDD	3.3V
GND	GND
SDA	SDA
SCL	SCL

Default I2C Address: 0x43

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Installation

Method 1 – Manual Installation

1. Download ZIP from GitHub
2. Extract into your Arduino libraries folder
3. Restart Arduino IDE

Method 2 – Arduino Library Manager (Future Release)

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