linkineo / REDar

ESP32 + MLX90640 IR Camera using the native ESP-IDF

REDar - infraRed Radar

Using MLX90640 and ESP32, read an IR image of 32x24 pixels

Hardware Requirements

• ESP32
• MLX90640
• Mac, Linux or Windows for programming

Software Requirements

• ESP-IDF v4.0 (Probably works with other versions too)

How-To

This assumes command-line and ESP-IDF knowledge.

• Install ESP-IDF on your system and set it up properly (source the environment & provide path to your USB device)

• Wire the MLX sensor to ESP32 power and ESP32 I2C bus

• SDA_PIN 21 & SCL_PIN 22 are defaults in this code

• Clone this repo

• Within this repo: make flash & make monitor

Program entry point

• redar.c in main folder

What it does

Right now it only reads out cyclically the temperature array properly

References

• MLX90640 generic C driver
• MLX90640 Datasheet