2331211-3 is an AmbiMate MS4 Series Sensor Module Development Kit designed for rapid prototyping and integration with Raspberry Pi or Arduino platforms. This kit includes the AmbiMate MS4 sensor module (Part Number 2314291-1) featuring four core sensing capabilities: Motion (PIR), Light, Temperature, and Humidity, along with optional VOC and eCO2 sensors. The module operates on 3.3 VDC input with I2C communication protocol and features an interrupt-driven event pin for real-time motion detection. Key specifications include temperature sensing from 5°C to +50°C with ±1°C accuracy, relative humidity measurement from 5% to 95% RH with 3% accuracy, ambient light level sensing from 0-1024 Lux, VOC detection from 0-1187 ppb, and eCO2 measurement from 400-8192 ppm. The compact 32mm x 16mm design with vertical header connection makes it ideal for indoor lighting, building automation, connected home, air quality monitoring, and energy management applications.