# 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. **38 device listed.** ## LILYGO T3 LoRa32 V1.6.1 ESP32-PICO-D4 development board with LoRa SX1276/SX1278 radio, 0.96\" SSD1306 OLED, microSD slot, WiFi, Bluetooth 4.2, and LiPo battery support in a compact 66×36mm form factor. [Details](https://openhardware.directory/devices/lilygo-t3-lora32-v1-6-1) | [Markdown](https://openhardware.directory/devices/lilygo-t3-lora32-v1-6-1/md) ## LILYGO T-Beam ESP32 development board combining LoRa radio (SX1276/SX1278), u-blox NEO-6M GPS, 0.96" OLED display, and 18650 battery support — the go-to board for Meshtastic and LoRa tracking projects. [Details](https://openhardware.directory/devices/lilygo-t-beam) | [Markdown](https://openhardware.directory/devices/lilygo-t-beam/md) ## LILYGO T-Camera S3 ESP32-S3 camera development board with OV2640 2MP sensor, 0.96-inch OLED display, 16MB flash, 8MB PSRAM, WiFi, and BLE 5.0 — a ready-to-use platform for WiFi streaming cameras and computer vision projects. [Details](https://openhardware.directory/devices/lilygo-t-camera-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-camera-s3/md) ## LILYGO T-TWR ESP32-S3 walkie-talkie development board with SA868 UHF/VHF radio module, 0.96" OLED display, rotary encoder, WiFi, BLE, and 18650 battery support for two-way radio projects. [Details](https://openhardware.directory/devices/lilygo-t-twr) | [Markdown](https://openhardware.directory/devices/lilygo-t-twr/md) ## LILYGO T-TWR Plus Enhanced ESP32-S3 two-way radio board with SA868 UHF/VHF module, L76K GNSS, 1.3" OLED, AXP2102 PMIC, WS2812 RGB LED, TF card, and PPT button for APRS and walkie-talkie applications. [Details](https://openhardware.directory/devices/lilygo-t-twr-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-twr-plus/md) ## LILYGO T3 S3 ESP32-S3 LoRa development board with 0.96" OLED display, multiple LoRa module options (SX1262/SX1276/SX1280/LR1121), WiFi, BLE, and 18650 battery support for Meshtastic and IoT applications. [Details](https://openhardware.directory/devices/lilygo-t3-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3/md) ## LILYGO T-TWR Rev2.1 LILYGO T-TWR Rev2.1 is an ESP32-S3 based programmable walkie-talkie board featuring the SA868 UHF/VHF radio module, GPS, OLED display, and battery support for amateur radio applications. [Details](https://openhardware.directory/devices/lilygo-t-twr-rev2-1) | [Markdown](https://openhardware.directory/devices/lilygo-t-twr-rev2-1/md) ## LILYGO T-Lion ESP32-WROVER development board with 0.96-inch OLED display, five-way directional button, single 18650 battery holder, 8MB PSRAM, WiFi, and BLE 4.2 — a compact handheld IoT controller in a slim form factor. [Details](https://openhardware.directory/devices/lilygo-t-lion) | [Markdown](https://openhardware.directory/devices/lilygo-t-lion/md) ## LILYGO LoRa3 (T3 LoRa32 V1.6.1) LILYGO LoRa3 (T3 LoRa32 V1.6.1) is an ESP32 development board combining Wi-Fi, BLE, and LoRa radio (SX1276/SX1278) with OLED display and TF card slot for IoT and mesh networking. [Details](https://openhardware.directory/devices/lilygo-lora3) | [Markdown](https://openhardware.directory/devices/lilygo-lora3/md) ## LILYGO T-Journal Compact ESP32-PICO-D4 camera board with OV2640 2MP sensor, 0.91-inch SSD1306 OLED display, fisheye or normal lens options, WiFi, BLE, and LiPo battery support — a minimal wireless camera module for IoT vision projects. [Details](https://openhardware.directory/devices/lilygo-t-journal) | [Markdown](https://openhardware.directory/devices/lilygo-t-journal/md) ## LILYGO ESP32 OLED V3.0 ESP32 development board with integrated 0.96-inch SSD1306 OLED display, 4MB Flash, 520KB SRAM, WiFi, Bluetooth dual-mode, USB-C, and onboard LiPo battery charging for compact IoT display projects. [Details](https://openhardware.directory/devices/lilygo-esp32-oled-v3-0) | [Markdown](https://openhardware.directory/devices/lilygo-esp32-oled-v3-0/md) ## LILYGO TO-ESP8266 OLED SH1106 ESP8266 development board with 1.3-inch SH1106 OLED display, 8 digital I/O pins, CH9102 USB-serial, 3.3V operation, WiFi 802.11 b/g/n, and JST 1.25mm LiPo connector — supports ESPHome and Tasmota firmware. [Details](https://openhardware.directory/devices/lilygo-to-esp8266-oled-sh1106) | [Markdown](https://openhardware.directory/devices/lilygo-to-esp8266-oled-sh1106/md) ## LILYGO T-Beam BPF LILYGO T-Beam BPF is an ESP32-S3 LoRa development board variant featuring an onboard Band Pass Filter for improved RF selectivity, designed for the 144–148 MHz amateur radio band with GPS and OLED display. [Details](https://openhardware.directory/devices/lilygo-t-beam-bpf) | [Markdown](https://openhardware.directory/devices/lilygo-t-beam-bpf/md) ## LILYGO T3 S3 V1.3 ESP32-S3 LoRa development board (hardware revision V1.3) with 0.96-inch SSD1306 OLED, 4MB Flash, 2MB PSRAM, WiFi, BLE 5.0, and support for SX1262/SX1276/SX1280/LR1121 radio modules at 433/868/915MHz and 2.4GHz. [Details](https://openhardware.directory/devices/lilygo-t3-s3-v1-3) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3-v1-3/md) ## LILYGO T3 TCXO ESP32 LoRa development board with a Temperature Compensated Crystal Oscillator (TCXO) for enhanced LoRa frequency stability, 0.96-inch SSD1306 OLED display, 4MB Flash, WiFi, BLE 4.2, TF card slot, and LiPo battery support at 868/915MHz. [Details](https://openhardware.directory/devices/lilygo-t3-tcxo) | [Markdown](https://openhardware.directory/devices/lilygo-t3-tcxo/md) ## LILYGO T3 S3 LR1121 LILYGO T3 S3 LR1121 is an ESP32-S3 development board with a Semtech LR1121 multi-band transceiver supporting sub-GHz (830–940 MHz) and 2.4 GHz LoRa, plus a 0.96" OLED display and microSD card slot. [Details](https://openhardware.directory/devices/lilygo-t3-s3-lr1121) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3-lr1121/md) ## LILYGO T3 STM32 STM32WL55CCU6 LoRa development board with dual Cortex-M4 + M0+ cores, built-in LoRa/FSK/MSK radio at 433/868/915MHz, 0.96-inch SSD1315 OLED, 256KB Flash, 64KB RAM, and open-source Arduino/STM32CubeIDE firmware support. [Details](https://openhardware.directory/devices/lilygo-t3-stm32) | [Markdown](https://openhardware.directory/devices/lilygo-t3-stm32/md) ## LILYGO T-Lite W5500 Ultra-compact ESP32 development board with W5500 SPI Ethernet, 0.96" OLED display, Wi-Fi, Bluetooth 4.2, and USB-C. Only 29.5×23mm for embedded IoT gateway projects. [Details](https://openhardware.directory/devices/lilygo-t-lite-w5500) | [Markdown](https://openhardware.directory/devices/lilygo-t-lite-w5500/md) ## LILYGO T3-S3 MVSR ESP32-S3 LoRa voice kit with MAX98357A speaker, MSM261S4030HOR microphone, vibration motor, RTC, 0.96-inch SSD1306 OLED, 4MB Flash, 2MB PSRAM, and SX1262/SX1276/SX1280 radio options — designed for LoRa voice communication and off-grid messaging. [Details](https://openhardware.directory/devices/lilygo-t3-s3-mvsr) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3-mvsr/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) ## duckyPad Pro 20-key open-source mechanical macropad with duckyScript engine, ESP32-S3, 1.5\" OLED, Bluetooth 5.0, hot-swap switches, dual rotary encoders, and microSD — a powerful Stream Deck alternative. [Details](https://openhardware.directory/devices/duckypad-pro) | [Markdown](https://openhardware.directory/devices/duckypad-pro/md) ## Mesh Detect 2 Open-source ESP32-S3 device that detects FAA Remote ID drone broadcasts and BLE devices, reporting alerts over the Meshtastic LoRa mesh network. Uses XIAO ESP32-S3 + Heltec V3. [Details](https://openhardware.directory/devices/mesh-detect-2) | [Markdown](https://openhardware.directory/devices/mesh-detect-2/md) ## 0.91" OLED I2C Display (128x32) Compact 0.91-inch monochrome OLED display module with 128x32 pixel resolution and SSD1306 driver. Communicates over I2C interface, ideal for small status readouts and embedded projects. [Details](https://openhardware.directory/devices/oled-091-inch-i2c-display) | [Markdown](https://openhardware.directory/devices/oled-091-inch-i2c-display/md) ## 0.96" OLED SSD1306 Display (128x64) Popular 0.96-inch monochrome OLED display with 128x64 pixel resolution and SSD1306 driver IC. I2C interface with wide library support, the go-to display for Arduino and ESP32 projects. [Details](https://openhardware.directory/devices/oled-096-inch-ssd1306-display) | [Markdown](https://openhardware.directory/devices/oled-096-inch-ssd1306-display/md) ## 1.3" OLED I2C Display (128x64) Larger 1.3-inch monochrome OLED display with 128x64 pixel resolution and SH1106 driver IC. I2C interface with improved readability over smaller 0.96" modules, great for dashboards and readouts. [Details](https://openhardware.directory/devices/oled-13-inch-i2c-display) | [Markdown](https://openhardware.directory/devices/oled-13-inch-i2c-display/md) ## Makerfabs ESP32 UWB Pro with Display ESP32-WROVER development board with Decawave DWM1000 UWB module for centimeter-accurate indoor positioning and ranging, featuring a 1.3\" OLED display and LiPo battery charging. [Details](https://openhardware.directory/devices/makerfabs-esp32-uwb-pro-with-display) | [Markdown](https://openhardware.directory/devices/makerfabs-esp32-uwb-pro-with-display/md) ## AVR-HF ADX-MI3 Pre-built digital mode QRP transceiver for amateur radio, supporting FT8, FT4, JS8, and WSPR on HF bands from 160m to 6m with ~5W output, OLED display, and single USB-C cable operation. [Details](https://openhardware.directory/devices/avr-hf-adx-mi3) | [Markdown](https://openhardware.directory/devices/avr-hf-adx-mi3/md) ## Waveshare UGV Rover Open-source 6-wheel 4WD AI robot platform with dual-controller architecture (ESP32 + Raspberry Pi), computer vision, pan-tilt camera, ESP-NOW communication, and ROS2 support for robotics education and autonomous navigation. [Details](https://openhardware.directory/devices/waveshare-ugv-rover) | [Markdown](https://openhardware.directory/devices/waveshare-ugv-rover/md) ## Waveshare WAVE ROVER Flexible 4WD mobile robot chassis with all-metal body, ESP32 controller, 0.91\" OLED, 9-axis IMU, 3S UPS power system, and open-source firmware. Supports Raspberry Pi and Jetson Nano as host computers. [Details](https://openhardware.directory/devices/waveshare-wave-rover) | [Markdown](https://openhardware.directory/devices/waveshare-wave-rover/md) ## Waveshare RaspRover Open-source 4WD AI robot with dual-controller architecture (ESP32 + Raspberry Pi), 5MP 160-degree camera, pan-tilt module, audio system, computer vision via OpenCV/MediaPipe, and ROS2 support for AI robotics education. [Details](https://openhardware.directory/devices/waveshare-rasprover) | [Markdown](https://openhardware.directory/devices/waveshare-rasprover/md) ## WiFi LoRa 32 (V3) Compact ESP32-S3 + SX1262 LoRa development board with 0.96" OLED display, USB-C, and built-in LiPo charging. One of the primary boards for Meshtastic and LoRaWAN IoT projects. [Details](https://openhardware.directory/devices/wifi-lora-32-v3) | [Markdown](https://openhardware.directory/devices/wifi-lora-32-v3/md) ## WiFi LoRa 32 (V4) Upgraded ESP32-S3R2 + SX1262 LoRa dev board with 2MB PSRAM, 16MB flash, 0.96" OLED, switchable FPC/IPEX 2.4G antenna, GNSS interface, and solar input. Meshtastic and LoRaWAN ready. [Details](https://openhardware.directory/devices/wifi-lora-32-v4) | [Markdown](https://openhardware.directory/devices/wifi-lora-32-v4/md) ## Heltec WiFi Kit 8 ESP8266-based IoT development board by Heltec with built-in 0.91-inch OLED display, Li-Po battery management, and WiFi connectivity in a compact 50.9x18.2mm form factor. [Details](https://openhardware.directory/devices/heltec-wifi-kit-8) | [Markdown](https://openhardware.directory/devices/heltec-wifi-kit-8/md) ## Heltec WiFi Kit 32 (V3) ESP32-S3-based IoT development board with built-in 0.96" OLED display, lithium battery management, WiFi and Bluetooth 5.0 connectivity, and USB-C interface in a compact 50mm form factor. [Details](https://openhardware.directory/devices/heltec-wifi-kit-32-v3) | [Markdown](https://openhardware.directory/devices/heltec-wifi-kit-32-v3/md) ## Heltec CubeCell GPS-6502 (HTCC-AB02S) LoRa + GPS development board based on ASR6502 SiP (ARM Cortex-M0+ with SX1262), featuring integrated AIR530Z GPS/BeiDou module, 0.96" OLED display, solar charging, and ultra-low 21uA deep sleep current for long-range IoT tracking applications. [Details](https://openhardware.directory/devices/heltec-cubecell-gps-6502-htcc-ab02s) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-gps-6502-htcc-ab02s/md) ## Heltec Wireless Stick V3 Compact ESP32-S3 development board with integrated SX1262 LoRa transceiver and 0.49-inch OLED display. Supports Meshtastic, LoRaWAN, WiFi, and BLE 5.0 in a breadboard-friendly form factor with battery management. [Details](https://openhardware.directory/devices/heltec-wireless-stick-v3) | [Markdown](https://openhardware.directory/devices/heltec-wireless-stick-v3/md) ## CubeCell Dev-Board Plus (HTCC-AB02) Heltec CubeCell HTCC-AB02 is an ultra-low-power LoRa/LoRaWAN development board based on the ASR6502 SoC (ARM Cortex-M0+ with integrated SX1262), featuring a 0.96" OLED display, solar panel input, and lithium battery management. Ideal for long-range IoT sensor nodes and agricultural monitoring. [Details](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02/md) ## Heltec HT-M00 Dual Channel LoRa Gateway A compact, low-cost dual-channel LoRaWAN gateway based on ESP32 and dual SX1276 transceivers, designed for indoor LoRa coverage of 1500-2000 square meters with support for SF7-SF12 spreading factors and LoRaWAN Class A/C protocols. [Details](https://openhardware.directory/devices/heltec-ht-m00) | [Markdown](https://openhardware.directory/devices/heltec-ht-m00/md)