# 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.

**24 device listed.**

## LILYGO T-2CAN

LILYGO T-2CAN is an ESP32-S3 development board featuring dual CAN bus interfaces via two TWAI controllers, Wi-Fi, Bluetooth 5 LE, and wide DC input range for automotive and industrial applications.

[Details](https://openhardware.directory/devices/lilygo-t-2can) | [Markdown](https://openhardware.directory/devices/lilygo-t-2can/md)

## LILYGO T-Embed CC1101 Plus

Enhanced ESP32-S3 handheld with CC1101 sub-GHz radio, nRF24L01 2.4GHz radio, 1.9" IPS LCD, IR transceiver, 16MB flash, 8MB SRAM. Upgraded version of T-Embed CC1101 with added 2.4GHz wireless module.

[Details](https://openhardware.directory/devices/lilygo-t-embed-cc1101-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed-cc1101-plus/md)

## M5Stack AtomS3

Ultra-compact ESP32-S3 dev board (24x24mm) with 0.85" IPS LCD (128x128), 6-axis IMU, 8MB flash, Wi-Fi, BLE 5.0, USB-C, and Grove port. Ideal for IoT prototyping and embedded UI projects.

[Details](https://openhardware.directory/devices/m5stack-atoms3) | [Markdown](https://openhardware.directory/devices/m5stack-atoms3/md)

## Heltec WiFi LoRa 32 V4

ESP32-S3 based LoRa development board with built-in 0.96" OLED display, SX1262 LoRa transceiver, WiFi, BLE 5.0, USB-C, and LiPo battery charging. One of the most popular boards for Meshtastic.

[Details](https://openhardware.directory/devices/heltec-wifi-lora-32-v4) | [Markdown](https://openhardware.directory/devices/heltec-wifi-lora-32-v4/md)

## Seeed XIAO ESP32S3 Plus

Ultra-compact ESP32-S3 development board with OV2640 camera, digital microphone, 8MB PSRAM, 8MB flash, WiFi 802.11 b/g/n, BLE 5.0, extended GPIO, and battery charging — ideal for AI and IoT edge projects.

[Details](https://openhardware.directory/devices/xiao-esp32s3-plus) | [Markdown](https://openhardware.directory/devices/xiao-esp32s3-plus/md)

## M5Stack AtomS3 Lite

Ultra-compact ESP32-S3 dev board (24x24mm) by M5Stack without display. Features WiFi, BLE 5.0, 8MB flash, Grove port, RGB LED, button, and USB-C in a tiny enclosure for IoT and embedded projects.

[Details](https://openhardware.directory/devices/m5stack-atoms3-lite) | [Markdown](https://openhardware.directory/devices/m5stack-atoms3-lite/md)

## DFRobot FireBeetle 2 ESP32-S3 AIoT Camera

ESP32-S3 development board with integrated OV2640 camera, 16MB flash, 8MB PSRAM, WiFi and BLE connectivity. Designed for AIoT applications, computer vision, and edge AI projects.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-s3-aiot-camera) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-s3-aiot-camera/md)

## WT32-SC01 Plus

ESP32-S3 development board with a 3.5" capacitive touch IPS LCD (480x320), 16MB flash, and 8MB PSRAM. Popular for building custom HMI/UI projects with LVGL, smart home panels, and IoT dashboards.

[Details](https://openhardware.directory/devices/wt32-sc01-plus) | [Markdown](https://openhardware.directory/devices/wt32-sc01-plus/md)

## M5Stack Atom Echo S3R

ESP32-S3 smart speaker dev kit with ES7210 audio codec, NS4168 amplifier, dual MEMS microphones, and RGB LED. Designed for Home Assistant voice assistant, ESPHome, and audio streaming projects.

[Details](https://openhardware.directory/devices/m5stack-atom-echo-s3r) | [Markdown](https://openhardware.directory/devices/m5stack-atom-echo-s3r/md)

## Waveshare ESP32-S3 Touch LCD 7

ESP32-S3 dev board with 7" capacitive touch IPS display (800x480), CAN/RS485 interfaces, and battery support. Built for HMI panels, industrial control, and IoT dashboards.

[Details](https://openhardware.directory/devices/waveshare-esp32-s3-touch-lcd-7) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-touch-lcd-7/md)

## ESP32-S3 Nano

Compact ESP32-S3 dev board by Waveshare in Arduino Nano form factor. Features dual-core 240MHz LX7, 16MB flash, 8MB PSRAM, WiFi, BLE 5.0, and USB-C. Drop-in ESP32-S3 upgrade for Nano-sized projects.

[Details](https://openhardware.directory/devices/esp32-s3-nano) | [Markdown](https://openhardware.directory/devices/esp32-s3-nano/md)

## Bee Data Logger

ESP32-S3 based data logging board with DS3231 RTC, microSD card slot, dual STEMMA/Qwiic connectors, and LiPo charging. Achieves ~21µA deep sleep current. Open source hardware with Arduino and CircuitPython support.

[Details](https://openhardware.directory/devices/bee-data-logger) | [Markdown](https://openhardware.directory/devices/bee-data-logger/md)

## TinkerNav RTK GNSS Board

Open-source RTK GNSS board with SkyTraq PX1105R receiver and ESP32-S3 for centimeter-level positioning. Works as base station or rover with WiFi, Bluetooth LE, and optional LoRa connectivity.

[Details](https://openhardware.directory/devices/tinkernav-rtk-gnss-board) | [Markdown](https://openhardware.directory/devices/tinkernav-rtk-gnss-board/md)

## Oui-Spy

ESP32-S3 based multi-mode BLE detection and security research tool with integrated piezo buzzer, MMCX antenna connector, and seven swappable firmware modes for surveillance detection, drone tracking, and RF direction finding.

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

## Armachat FLIP

Pocket-sized open-source LoRa mesh messenger with ESP32-S3, RFM95 radio, 2.8" IPS display, and 36-key QWERTY keyboard. Runs Meshtastic and CircuitPython firmware for off-grid text communication.

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

## Waveshare Cobra Flex

All-metal modular drive-by-wire 4WD robot chassis with ESP32-S3 controller, hub motors with built-in FOC control, CNC metal suspension, LIN bus communication, IP32 protection, and 12 kg payload capacity for heavy-duty robotics.

[Details](https://openhardware.directory/devices/waveshare-cobra-flex) | [Markdown](https://openhardware.directory/devices/waveshare-cobra-flex/md)

## TinyS3 ESP32-S3 with u.FL

Ultra-compact ESP32-S3 board by Unexpected Maker in TinyPICO form factor with u.FL external antenna connector, 8MB flash, 8MB PSRAM, LiPo charging, and dual-core 240 MHz.

[Details](https://openhardware.directory/devices/tinys3-esp32-s3-ufl) | [Markdown](https://openhardware.directory/devices/tinys3-esp32-s3-ufl/md)

## FeatherS3 ESP32-S3 with u.FL

Unexpected Maker's pro ESP32-S3 Feather board with u.FL external antenna connector, 16MB flash, 8MB PSRAM, dual STEMMA QT connectors, LiPo charging, and dual 700mA regulators.

[Details](https://openhardware.directory/devices/feathers3-esp32-s3-ufl) | [Markdown](https://openhardware.directory/devices/feathers3-esp32-s3-ufl/md)

## ProS3 ESP32-S3 with u.FL

Unexpected Maker's ProS3 ESP32-S3 with u.FL external antenna, 16MB flash, 8MB PSRAM, 27 GPIO castellated headers, dual LDO regulators, LiPo charging, and STEMMA QT.

[Details](https://openhardware.directory/devices/pros3-esp32-s3-ufl) | [Markdown](https://openhardware.directory/devices/pros3-esp32-s3-ufl/md)

## ESP32-S3 Korvo 2 Audio Dev Board

Espressif audio and multimedia development board with ESP32-S3, dual-microphone array for far-field wake-word detection, camera support, LCD interface, microSD, and Wi-Fi + BLE.

[Details](https://openhardware.directory/devices/esp32-s3-korvo-2) | [Markdown](https://openhardware.directory/devices/esp32-s3-korvo-2/md)

## Espressif ESP32-S3-BOX-3

Open-source AIoT development kit with ESP32-S3, 2.4" touchscreen, dual microphones, speaker, Wi-Fi, BLE, Matter support, 16MB flash, 16MB PSRAM, and a high-density expansion connector.

[Details](https://openhardware.directory/devices/esp32-s3-box-3) | [Markdown](https://openhardware.directory/devices/esp32-s3-box-3/md)

## Espressif ESP32-S3-BOX-3B

ESP32-S3-BOX-3 bundle kit including the AIoT dev board with 2.4" touchscreen, dual mics, speaker, plus the DOCK stand, RGB LED module, USB-C cable, and Dupont wires.

[Details](https://openhardware.directory/devices/esp32-s3-box-3b) | [Markdown](https://openhardware.directory/devices/esp32-s3-box-3b/md)

## Adafruit ESP32-S3 Feather 8MB w.FL Antenna

ESP32-S3 Feather board with 8MB flash, w.FL external antenna connector (MHF3/IPEX3), native USB-C, MAX17048 battery monitor, LiPo charging, NeoPixel, and STEMMA QT.

[Details](https://openhardware.directory/devices/adafruit-feather-esp32-s3-8mb-wfl) | [Markdown](https://openhardware.directory/devices/adafruit-feather-esp32-s3-8mb-wfl/md)

## Heltec HT-HC32 Wi-Fi HaLow Camera

ESP32-S3 development board with integrated camera and Wi-Fi HaLow (802.11ah) module for long-range wireless video transmission up to 1-2km at speeds up to 32 Mbps. Features USB-C, SD card slot, and LiPo battery charging.

[Details](https://openhardware.directory/devices/heltec-ht-hc32) | [Markdown](https://openhardware.directory/devices/heltec-ht-hc32/md)
