Plug And Play I2C O2 Oxygen Sensor Module For Arduino ESP32 Raspberry Pi 0 To 25 Percent Oxygen Range Digital Gas Detector With Built In Signal Conditioning 3.3V To 5.5V For IoT Air Quality Monitoring No Soldering

I2C O2 Sensor Module for IoT - Plug & Play (Single Unit)
✔️ 3.3V-5.5V input, I2C output, 0-25% O2, fast calibration

This plug-and-play oxygen sensor module provides direct digital readings of ambient oxygen via I2C, ideal for IoT air quality projects such as smart homes, greenhouses, and safety systems. It supports a wide power range from 3.3V to 5.5V and ships with a Gravity 4-pin interface with a connecting cable to keep wiring tidy and solder-free.

✅ 0-25% ambient O2 range with 0.15% resolution
✅ Built-in signal conditioning outputs digital data over I2C directly
✅ 3.3V-5.5V supply range; compatible with Arduino, ESP32, Raspberry Pi
✅ Ready-to-use sample code enables quick air calibration in natural environments

💡 What is an I2C oxygen sensor used for in DIY IoT projects? This handy device provides direct digital oxygen readings for microcontrollers, enabling easy monitoring of air quality in a variety of environments.

- Direct digital readings via I2C simplify data capture - Handy for air quality monitoring in enclosed spaces like basements, garages, or greenhouses - Works with 3.3V-5.5V boards, no extra shifters needed - Long-term stability with low drift and built-in calibration support