Simple Fire Sensor - Overview
Simple fire sensor
The simple fire sensor breakout board is a precise sensor that detects infrared radiation. This sensor is applicable in any project that requires the detection of IR radiation; one example is flame detection. This sensor also comes in a version with I2C communication, with a default address of 0x30, and is designed for seamless Qwiic (formerly easyC) connectivity—eliminating the need for soldering.

Qwiic version of the fire sensor board

Regular version of the fire sensor board
Which product is this documentation for?

Simple fire sensor with easyC
333042

Simple fire sensor
333047
Key Features
- Regular
- Operating voltage: 3.3V - 5V
- Output: analog and digital
- IC: LM393 comparator
- Mounting: Two mounting holes
- Dimensions: 22 x 22 mm (0.9 x 0.9 inch)
- Qwiic
- Operating voltage: 3.3V
- Output: analog and digital
- IC: ATTINY404
- Communication: I2C (You may change the address via the switches on the front of the board)
- Connector: 2 × Qwiic (formerly easyC) ports (plug-and-play, no soldering needed)
- Mounting: Four mounting holes for secure attachment
- Dimensions: 38 × 22 mm (1.5 × 0.9 inch)
You may also need

Qwiic cable
Qwiic (formerly easyC) compatible cables with connectors on both ends, available in various lengths.