The AM2315 is an I2C temperature and humidity sensor housed in a rugged enclosure with a mounting bracket — a significant upgrade over bare PCB-mounted sensors for real-world installations. Inside, a capacitive humidity sensor and thermistor are paired with a small microcontroller that handles calibration and outputs clean, ready-to-use data over I2C.

The enclosed design offers much better protection against wind, rain, and environmental exposure than typical breakout board sensors, while the I2C interface eliminates the timing-critical protocols required by DHT-series sensors. Simply connect the four colour-coded wires and you're ready to go.

Key Features

• I2C Interface – Simple, reliable communication without timing-critical protocols
• Rugged Enclosure – Protected housing with mounting bracket for real-world installations
• Calibrated Output – On-board microcontroller provides ready-to-use temperature and humidity data
• Colour-Coded Wiring – Red (5V), black (GND), yellow (SDA), white (SCL)

Specifications

• Sensor Type – Capacitive humidity sensor + thermistor
• Interface – I2C (fixed address, one sensor per bus)
• Supply Voltage – 5V
• Wiring – Red (VCC), Black (GND), Yellow (SDA), White (SCL)

Ideal For

• Outdoor and semi-exposed environmental monitoring
• Weather stations and climate logging
• Greenhouse and agricultural sensing
• Arduino and Raspberry Pi projects requiring robust sensors

Package Contents

• 1× AM2315 Encased I2C Temperature/Humidity Sensor (with mounting bracket)

Resources

• Adafruit AM2315 Arduino Library (GitHub)