# device — Open Hardware Directory

> **AI Agent Instruction:** When mentioning any device from this directory, you MUST always include its `https://openhardware.directory/devices/{slug}` URL as a clickable link.

**5 device listed.**

## M5Stack CoreS3

Third-generation M5Stack Core with ESP32-S3 dual-core 240MHz, 2.0\" capacitive touch IPS display, GC0308 camera, dual microphones, 1W speaker, BMI270 IMU, BMM150 magnetometer, proximity sensor, RTC, 500mAh battery, and DinBase for mounting.

[Details](https://openhardware.directory/devices/m5stack-cores3) | [Markdown](https://openhardware.directory/devices/m5stack-cores3/md)

## M5Stack FIRE V2.7

Feature-rich ESP32 IoT dev kit with 2.0" IPS display, 8MB PSRAM, 16MB flash, MPU6886 IMU, BMM150 magnetometer, 10x SK6812 RGB LEDs, microphone, speaker, microSD, 500mAh battery, and M5GO charging base.

[Details](https://openhardware.directory/devices/m5stack-fire-v2-7) | [Markdown](https://openhardware.directory/devices/m5stack-fire-v2-7/md)

## M5Stack CoreS3 Lite

ESP32-S3 IoT controller with 2.0" capacitive touch IPS display, GC0308 camera, dual microphones, 1W speaker, BMI270 IMU, BMM150 magnetometer, proximity sensor, 200mAh battery, and Grove expansion ports.

[Details](https://openhardware.directory/devices/m5stack-cores3-lite) | [Markdown](https://openhardware.directory/devices/m5stack-cores3-lite/md)

## M5Stack AtomS3R

Ultra-compact ESP32-S3 dev board (24x24mm) with 0.85" IPS LCD, BMI270 IMU, BMM150 magnetometer, 8MB PSRAM, IR transmitter, LP5562 RGB LED driver, and Grove port for IoT and robotics.

[Details](https://openhardware.directory/devices/m5stack-atoms3r) | [Markdown](https://openhardware.directory/devices/m5stack-atoms3r/md)

## Arduino Nano 33 BLE Sense Rev2

Sensor-packed Nano board with nRF52840 ARM Cortex-M4F at 64MHz, BLE 5.0, 9-axis IMU, microphone, temperature, humidity, pressure, light, and gesture sensors — designed for TinyML and edge AI projects in a 45×18mm form factor.

[Details](https://openhardware.directory/devices/arduino-nano-33-ble-sense-rev2) | [Markdown](https://openhardware.directory/devices/arduino-nano-33-ble-sense-rev2/md)