# 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. **25 device listed.** ## LILYGO T-Deck Plus ESP32-S3 handheld dev board with QWERTY keyboard, trackball, 2.8" IPS LCD, LoRa SX1262, GPS, speaker, dual microphones, and 2000mAh battery in an ABS case. [Details](https://openhardware.directory/devices/lilygo-t-deck-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-deck-plus/md) ## 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-SIM7000G ESP32 board with SIMCom SIM7000G multi-band LTE-M/NB-IoT modem, GPS, 8MB PSRAM, USB-C, and 18650 battery support — designed for global cellular IoT deployments. [Details](https://openhardware.directory/devices/lilygo-t-sim7000g) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7000g/md) ## LILYGO T-Echo nRF52840 + SX1262 LoRa + L76K GPS all-in-one board with 1.54-inch e-paper display, 850mAh battery, Thread, Zigbee, and BLE 5.0 — runs Meshtastic, SoftRF, and custom NRF firmware out of the box. [Details](https://openhardware.directory/devices/lilygo-t-echo) | [Markdown](https://openhardware.directory/devices/lilygo-t-echo/md) ## LILYGO T-Echo Plus Enhanced T-Echo with nRF52840, SX1262 LoRa, L76K GPS, BHI260AP IMU, 2400mAh battery, 1.54-inch e-paper display, vibration motor, buzzer, and 1/4-inch mount — Meshtastic-ready with extended runtime. [Details](https://openhardware.directory/devices/lilygo-t-echo-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-echo-plus/md) ## LILYGO T3 S3 E-Paper LILYGO T3 S3 E-Paper is an ESP32-S3 LoRa development board with a 2.13-inch 250×122 e-paper display (DEPG0213BN), 4MB flash, 2MB PSRAM, WiFi, BLE 5, SX1262 LoRa transceiver, and LiPo battery support. [Details](https://openhardware.directory/devices/lilygo-t3-s3-epaper) | [Markdown](https://openhardware.directory/devices/lilygo-t3-s3-epaper/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 T5 E-Paper S3 Pro LILYGO T5 E-Paper S3 Pro is an ESP32-S3 board with a 4.7-inch 16-greyscale e-paper display, SX1262 LoRa, touch input, RTC, BQ25896/BQ27220 battery management, 16MB flash, 8MB PSRAM, and optional GPS. [Details](https://openhardware.directory/devices/lilygo-t5-e-paper-s3-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t5-e-paper-s3-pro/md) ## LILYGO T-Display P4 High-performance ESP32-P4 development board with dual-core 360MHz RISC-V, 4.1" AMOLED or 4.05" TFT touchscreen, 2MP camera, SX1262 LoRa, GPS, 9-axis IMU, and ESP32-C6 for Wi-Fi 6 and Bluetooth 5. [Details](https://openhardware.directory/devices/lilygo-t-display-p4) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-p4/md) ## LILYGO T-ICM-20948 Breakout module for the InvenSense ICM-20948 9-axis MEMS IMU, combining a 3-axis gyroscope, 3-axis accelerometer, and 3-axis magnetometer with an onboard Digital Motion Processor for real-time motion tracking. [Details](https://openhardware.directory/devices/lilygo-t-icm-20948) | [Markdown](https://openhardware.directory/devices/lilygo-t-icm-20948/md) ## LILYGO T-Bat Solar-capable power management module based on CN3065 for charging an 18650 Li-ion battery via Micro USB, solar panel input (5.3V+), or BAT input, with 5V/1A USB output for powering devices up to 1A current draw. [Details](https://openhardware.directory/devices/lilygo-t-bat) | [Markdown](https://openhardware.directory/devices/lilygo-t-bat/md) ## LILYGO T-RS S3 ESP32-S3 industrial communication board with isolated RS-232 and RS-485 modules (3000V isolation), 7–24V DC input via DB9 connector, Wi-Fi, and Bluetooth 5 LE for Modbus and industrial serial networking applications. [Details](https://openhardware.directory/devices/lilygo-t-rs-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-rs-s3/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) ## Grasshopper LoRaWAN Development Board Ultra-compact 18x45mm LoRaWAN development board from Tlera Corp featuring Murata's FCC-certified CMWX1ZZABZ-078 module with STM32L082 Cortex-M0+ MCU and SX1276 LoRa radio, drawing just 2 uA in stop mode. [Details](https://openhardware.directory/devices/grasshopper-lorawan-development-board) | [Markdown](https://openhardware.directory/devices/grasshopper-lorawan-development-board/md) ## Elecrow ThinkNode M1 Compact Meshtastic LoRa transceiver with nRF52840, SX1262, 1.54\" e-paper display, GPS, and 1200mAh battery for off-grid mesh communication. [Details](https://openhardware.directory/devices/elecrow-thinknode-m1) | [Markdown](https://openhardware.directory/devices/elecrow-thinknode-m1/md) ## TrackSenger Compact Meshtastic-compatible LoRa communicator with push-button keyboard, built around the Heltec Wireless Tracker with ESP32-S3, SX1262 LoRa, GPS, and a 0.96" TFT display for off-grid mesh messaging. [Details](https://openhardware.directory/devices/tracksenger) | [Markdown](https://openhardware.directory/devices/tracksenger/md) ## Waveshare RP2350-PiZero Raspberry Pi Zero-shaped development board with RP2350B MCU, 16MB flash, mini-HDMI DVI output, microSD card slot, PIO-USB port, lithium battery header, and 40-pin Raspberry Pi HAT-compatible GPIO header. [Details](https://openhardware.directory/devices/waveshare-rp2350-pizero) | [Markdown](https://openhardware.directory/devices/waveshare-rp2350-pizero/md) ## Adafruit Feather STM32F405 Express High-speed Feather-form-factor dev board with STM32F405 ARM Cortex-M4F @ 168MHz, 1MB Flash, 192KB RAM, 2MB SPI Flash, USB-C, STEMMA QT, SD card socket, and LiPo charging. Adafruit's fastest CircuitPython board. [Details](https://openhardware.directory/devices/adafruit-feather-stm32f405-express) | [Markdown](https://openhardware.directory/devices/adafruit-feather-stm32f405-express/md) ## Adafruit ESP32-S2 Feather with w.FL Antenna The Adafruit ESP32-S2 Feather with w.FL is a Feather-form WiFi microcontroller board with a w.FL (MHF4) external antenna connector for extended range. It features a 240MHz ESP32-S2 single-core CPU, 4MB flash, 2MB PSRAM, native USB-C, and LiPo battery charging — no Bluetooth. [Details](https://openhardware.directory/devices/adafruit-feather-esp32-s2-wfl) | [Markdown](https://openhardware.directory/devices/adafruit-feather-esp32-s2-wfl/md) ## Adafruit Feather nRF52840 Sense Sensor-rich BLE Feather with Nordic nRF52840 (64MHz Cortex-M4F), 6 onboard sensors (9-DoF IMU, magnetometer, proximity/light, PDM mic, humidity, barometric pressure), 21 GPIO, and FCC/IC/TELEC certified. [Details](https://openhardware.directory/devices/adafruit-feather-nrf52840-sense) | [Markdown](https://openhardware.directory/devices/adafruit-feather-nrf52840-sense/md) ## Adafruit Feather M4 CAN Express CAN-bus-capable Feather with ATSAME51J19 ARM Cortex-M4F @ 120MHz, built-in CAN transceiver + 5V booster, USB-C, 21 GPIO, 2MB SPI Flash, dual DAC, and LiPo charging. Ideal for automotive and industrial CAN Bus projects. [Details](https://openhardware.directory/devices/adafruit-feather-m4-can-express) | [Markdown](https://openhardware.directory/devices/adafruit-feather-m4-can-express/md) ## Heltec Wireless Stick Lite V3 Compact ESP32-S3 + SX1262 LoRa development board with WiFi, BLE 5.0, and integrated battery management. Meshtastic and LoRaWAN compatible, with a slim stick form factor ideal for IoT sensor nodes and mesh networking. [Details](https://openhardware.directory/devices/heltec-wireless-stick-lite-v3) | [Markdown](https://openhardware.directory/devices/heltec-wireless-stick-lite-v3/md) ## Heltec CubeCell 1/2AA Node (HTCC-AB02A) Ultra-low-power LoRa/LoRaWAN development node based on the ASR6502 SoC (ARM Cortex-M0+ @ 48MHz + SX1262), with a built-in 1/2AA battery holder, 3.5uA deep sleep, and Arduino compatibility. Ideal for remote sensor deployments. [Details](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02a) | [Markdown](https://openhardware.directory/devices/heltec-cubecell-htcc-ab02a/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)