# 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. **126 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 T5 E-Paper S3 Pro Lite A pocket-sized ESP32-S3 development board with a 4.7-inch capacitive touchscreen e-paper display (960×540, 16 grayscale), anti-glare glass, warm-toned backlight, MagSafe wireless charging, and comprehensive battery management. [Details](https://openhardware.directory/devices/lilygo-t5-e-paper-s3-pro-lite) | [Markdown](https://openhardware.directory/devices/lilygo-t5-e-paper-s3-pro-lite/md) ## LILYGO T-Watch S3 Open-source ESP32-S3 smartwatch with LoRa, 1.3" 240×240 IPS touchscreen, haptic feedback, accelerometer, speaker, microphone, IR transmitter, and 1500mAh battery. Supports Meshtastic, ESPHome, Arduino, and MicroPython. [Details](https://openhardware.directory/devices/lilygo-t-watch-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-watch-s3/md) ## LILYGO T-Display S3 ESP32-S3 development board with 1.9-inch ST7789V TFT display (170×320), optional capacitive touch, 16MB flash, 8MB PSRAM, and USB-C. Popular for smart displays and IoT dashboards. [Details](https://openhardware.directory/devices/lilygo-t-display-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-s3/md) ## LILYGO T-QT Pro Ultra-compact ESP32-S3 board with a 0.85-inch GC9107 IPS display (128×128), 2MB PSRAM, WiFi, BLE 5.0, and USB-C — one of the smallest ESP32-S3 development boards available. [Details](https://openhardware.directory/devices/lilygo-t-qt-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-qt-pro/md) ## LILYGO T-Display S3 AMOLED ESP32-S3 board with 1.91-inch RM67162 AMOLED display (240×536), optional touch, 16MB flash, 8MB PSRAM, and USB-C — delivering vivid OLED visuals for IoT dashboards and smart displays. [Details](https://openhardware.directory/devices/lilygo-t-display-s3-amoled) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-s3-amoled/md) ## LILYGO T-Dongle S3 ESP32-S3 USB-A dongle with a 0.96-inch ST7735 color display (80×160), 16MB flash, WiFi, and BLE 5.0 — a compact plug-in development stick for IoT, media, and wireless sensor nodes. [Details](https://openhardware.directory/devices/lilygo-t-dongle-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-dongle-s3/md) ## LILYGO T-Embed ESP32-S3 all-in-one media board with 1.9-inch TFT display, rotary encoder, dual microphones, 1W speaker, 7 RGB LEDs, GROVE connector, and LiPo battery support — ideal for audio players and interactive IoT devices. [Details](https://openhardware.directory/devices/lilygo-t-embed) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed/md) ## LILYGO T-RGB ESP32-S3 board with a circular 2.1\" or 2.8\" ST7701S RGB display (480×480) and capacitive touch — perfect for smart home controllers, round-display clocks, and interactive dashboards. [Details](https://openhardware.directory/devices/lilygo-t-rgb) | [Markdown](https://openhardware.directory/devices/lilygo-t-rgb/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-Deck ESP32-S3 handheld terminal with 2.8-inch IPS display, mini QWERTY keyboard, trackball, optional SX1262 LoRa, speaker, and microphone — a self-contained portable communicator running Meshtastic and MeshCore. [Details](https://openhardware.directory/devices/lilygo-t-deck) | [Markdown](https://openhardware.directory/devices/lilygo-t-deck/md) ## LILYGO T-HMI ESP32-S3 HMI development board with a 2.8-inch resistive touchscreen, GROVE connectors, 16MB flash, 8MB PSRAM, and USB-C — designed for industrial HMI panels and interactive control interfaces. [Details](https://openhardware.directory/devices/lilygo-t-hmi) | [Markdown](https://openhardware.directory/devices/lilygo-t-hmi/md) ## LILYGO T-ETH-Lite Compact ESP32-S3 development board with wired Ethernet (W5500 SPI), WiFi, BLE, microSD slot, and optional PoE and camera shields for reliable networked IoT edge nodes. [Details](https://openhardware.directory/devices/lilygo-t-eth-lite) | [Markdown](https://openhardware.directory/devices/lilygo-t-eth-lite/md) ## LILYGO T-Watch Ultra Premium ESP32-S3 smartwatch development platform with 2.06" AMOLED touchscreen, LoRa SX1262, GNSS, NFC, MAX98357A audio, DRV2605 haptic, AXP2101 PMIC, and 1100mAh battery. [Details](https://openhardware.directory/devices/lilygo-t-watch-ultra) | [Markdown](https://openhardware.directory/devices/lilygo-t-watch-ultra/md) ## LILYGO T-Glass Wearable ESP32-S3 development board with 1.1" full-color AMOLED display in a glasses prism form factor, microphone, RTC, and touch button for head-up display applications. [Details](https://openhardware.directory/devices/lilygo-t-glass) | [Markdown](https://openhardware.directory/devices/lilygo-t-glass/md) ## LILYGO T-Halow ESP32-S3 development board with WiFi HaLow (802.11ah) sub-GHz radio for long-range IoT deployments, plus standard 2.4GHz WiFi, BLE 5.0, microSD, and 18650 battery support. [Details](https://openhardware.directory/devices/lilygo-t-halow) | [Markdown](https://openhardware.directory/devices/lilygo-t-halow/md) ## LILYGO T-Display S3 Pro Upgraded T-Display S3 with a larger 2.33" IPS touchscreen, ESP32-S3R8, OTG charging via SY6970, QWIIC ports, ambient light/proximity sensor, and optional camera module expansion via POGOpin. [Details](https://openhardware.directory/devices/lilygo-t-display-s3-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-s3-pro/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-Beam Supreme Upgraded T-Beam with ESP32-S3FN8, QMI8658 6-axis IMU, LoRa SX1262, dual GPS options (L76K or u-blox), SoftRF firmware support, and multi-frequency bands for Meshtastic and aircraft tracking. [Details](https://openhardware.directory/devices/lilygo-t-beam-supreme) | [Markdown](https://openhardware.directory/devices/lilygo-t-beam-supreme/md) ## LILYGO T-Lora Pager Compact LoRa pager with ESP32-S3, 2.33" touchscreen, QWERTY keyboard, u-blox GNSS, BHI260AP AI IMU, ES8311 audio codec, RFID/NFC, and foldable antenna for off-grid messaging. [Details](https://openhardware.directory/devices/lilygo-t-lora-pager) | [Markdown](https://openhardware.directory/devices/lilygo-t-lora-pager/md) ## LILYGO T-Watch S3 Plus ESP32-S3 smartwatch dev board with LoRa SX1262, GNSS, BMA423 accelerometer, MAX98357A audio, DRV2605 haptic feedback, AXP2101 PMIC, and 940mAh battery for wearable LoRa projects. [Details](https://openhardware.directory/devices/lilygo-t-watch-s3-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-watch-s3-plus/md) ## LILYGO T-Deck Pro ESP32-S3 keyboard terminal with 3.1" e-paper touchscreen, LoRa SX1262, GPS, BHI260AP AI IMU, PCM5102A/ES8311 audio, 1400mAh battery, and optional 4G LTE (A7682E) for off-grid terminal applications. [Details](https://openhardware.directory/devices/lilygo-t-deck-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-deck-pro/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 T-Embed CC1101 ESP32-S3 multi-protocol RF tool with CC1101 sub-GHz transceiver (300–928 MHz), 13.56 MHz RFID, IR transmit/receive, 1.9" IPS display, and rotary encoder for RF analysis and replay attacks. [Details](https://openhardware.directory/devices/lilygo-t-embed-cc1101) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed-cc1101/md) ## LILYGO T7 S3 Ultra-affordable ESP32-S3 development board with 16MB flash, 8MB PSRAM, USB 3.0, QWIIC/Stemma QT connector, power switch, and breadboard-compatible pinout at under $8. [Details](https://openhardware.directory/devices/lilygo-t7-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t7-s3/md) ## LILYGO T-Circle S3 Compact ESP32-S3 board with a 0.75" round 160×160 TFT LCD (GC9D01N), 16MB flash, 8MB PSRAM, WiFi, and BLE 5 for wearable watchface and circular display applications. [Details](https://openhardware.directory/devices/lilygo-t-circle-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-circle-s3/md) ## LILYGO T-Relay S3 ESP32-S3 board with 6 onboard relays, 16MB flash, 8MB PSRAM, WiFi, and BLE for ESPHome smart home automation, controlling lights, appliances, and HVAC systems. [Details](https://openhardware.directory/devices/lilygo-t-relay-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-relay-s3/md) ## LILYGO T-Energy S3 Affordable ESP32-S3 development board with 16MB flash, 8MB PSRAM, integrated 18650 battery holder, WiFi, and BLE 5.0 for battery-powered IoT sensor nodes under $10. [Details](https://openhardware.directory/devices/lilygo-t-energy-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-energy-s3/md) ## LILYGO T-Panel S3 Dual-MCU smart panel (ESP32-S3 + ESP32-H2) with 4" 480×480 IPS LCD (ST7701S), WiFi, BLE, native Zigbee/Thread/Matter via H2 co-processor, and optional RS485/CAN FD expansion for wall-mounted smart home controllers. [Details](https://openhardware.directory/devices/lilygo-t-panel-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-panel-s3/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-SIM7080G S3 ESP32-S3 development board with SIM7080G NB-IoT/LTE-M/GNSS module, 16MB flash, 8MB PSRAM, 18650 battery support, and USB-C connectivity for low-power IoT applications. [Details](https://openhardware.directory/devices/lilygo-t-sim7080g-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-sim7080g-s3/md) ## LILYGO T-Embed SI4732 ESP32-S3 board with SI4732-A10 AM/FM/SW/LW radio receiver, 1.9" IPS display, 900mAh battery, and rotary encoder for a portable software-defined radio experience. [Details](https://openhardware.directory/devices/lilygo-t-embed-si4732) | [Markdown](https://openhardware.directory/devices/lilygo-t-embed-si4732/md) ## LILYGO T-Display Bar ESP32-S3 development board with a unique wide bar-format display, 16MB flash, 8MB PSRAM, and USB-C for information display and custom UI projects. [Details](https://openhardware.directory/devices/lilygo-t-display-bar) | [Markdown](https://openhardware.directory/devices/lilygo-t-display-bar/md) ## LILYGO T-SimCam ESP32-S3 camera development board with mPCIe slot for LILYGO T-PCIE SIM cellular modules, supporting OV2640 or OV5640 cameras, 16MB flash, 8MB PSRAM, TF card, and I2S microphone for connected vision applications. [Details](https://openhardware.directory/devices/lilygo-t-simcam) | [Markdown](https://openhardware.directory/devices/lilygo-t-simcam/md) ## LILYGO T-Encoder Pro ESP32-S3 smart rotary encoder knob with 1.2-inch round AMOLED display, capacitive touch, buzzer, vibration motor, and dual Qwiic connectors — ideal for smart home control and media interfaces. [Details](https://openhardware.directory/devices/lilygo-t-encoder-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-encoder-pro/md) ## LILYGO T-Connect ESP32-S3 industrial communication board with three RS485 ports and one CAN bus — enables multi-protocol data switching for automation, sensor networks, and legacy equipment integration. [Details](https://openhardware.directory/devices/lilygo-t-connect) | [Markdown](https://openhardware.directory/devices/lilygo-t-connect/md) ## LILYGO T-Camera Plus S3 ESP32-S3 camera development board with 8MB PSRAM, 16MB Flash, onboard microphone, MAX98357A I2S amplifier, speaker output, and choice of OV2640 or OV5640 camera sensor for audio-visual IoT applications. [Details](https://openhardware.directory/devices/lilygo-t-camera-plus-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-camera-plus-s3/md) ## LILYGO T-Connect Pro ESP32-S3 three-board stack with SX1262 LoRa, CAN, RS485, RS232, Ethernet (W5500), relay, capacitive touch LCD, and DC input — a versatile industrial IoT gateway with long-range wireless. [Details](https://openhardware.directory/devices/lilygo-t-connect-pro) | [Markdown](https://openhardware.directory/devices/lilygo-t-connect-pro/md) ## LILYGO T-Track ESP32-S3R8 development board with a 1.1-inch JD9613 AMOLED display (126×294), onboard trackball, 16MB flash, 8MB PSRAM, WiFi, and BLE 5 — a compact touchless navigation dev kit for creative UI and interactive IoT applications. [Details](https://openhardware.directory/devices/lilygo-t-track) | [Markdown](https://openhardware.directory/devices/lilygo-t-track/md) ## LILYGO T-Vending ESP32-S3-WROOM-1 development board with MAX13487E RS-485 transceiver, T-PCIE SIM expansion slot, Grove connector, WiFi, and BLE — designed for vending machine control and industrial RS-485 communication applications. [Details](https://openhardware.directory/devices/lilygo-t-vending) | [Markdown](https://openhardware.directory/devices/lilygo-t-vending/md) ## LILYGO T-Touch Bar ESP32-S3 touch-sensitive bar display board with 8MB PSRAM, 16MB Flash, Wi-Fi, and Bluetooth 5, available in LED and AMOLED display variants for building custom HMI panels, smart home controls, and interactive displays. [Details](https://openhardware.directory/devices/lilygo-t-touch-bar) | [Markdown](https://openhardware.directory/devices/lilygo-t-touch-bar/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) ## 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) ## 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) ## ESP32 WiFi Fancontroller ESP32-S2-based WiFi fan controller with 4 independent PWM outputs, integrated HDC1080 temperature and humidity sensor, Qwiic expansion, and native Home Assistant integration via ESPHome. [Details](https://openhardware.directory/devices/esp32-wifi-fancontroller) | [Markdown](https://openhardware.directory/devices/esp32-wifi-fancontroller/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) ## M5Stack Air Quality Kit v1.1 ESP32-S3 based air quality monitor with SEN55 particulate/VOC sensor, SCD40 CO2 sensor, 1.54" e-ink display, 600mAh battery, and Grove connector. [Details](https://openhardware.directory/devices/m5stack-air-quality-kit) | [Markdown](https://openhardware.directory/devices/m5stack-air-quality-kit/md) ## WiFi Devboard for Flipper Zero ESP32-S2-based WiFi development board for Flipper Zero enabling wireless firmware updates, Black Magic Probe debugging over USB and WiFi, and WiFi pentesting with PMKID capture and deauth capabilities. [Details](https://openhardware.directory/devices/flipper-zero-wifi-devboard) | [Markdown](https://openhardware.directory/devices/flipper-zero-wifi-devboard/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) ## CircuitMess NASA Artemis Watch 2.0 NASA-themed programmable smartwatch powered by ESP32-S3 with BLE 5.0, 6-axis IMU, ST7735S display, and activity tracking. Pre-assembled and ready to code. [Details](https://openhardware.directory/devices/circuitmess-nasa-artemis-watch-2-0) | [Markdown](https://openhardware.directory/devices/circuitmess-nasa-artemis-watch-2-0/md) ## CircuitMess NASA Mars Perseverance Rover NASA-themed DIY robotics kit with ESP32-S3, camera, dual DC motors, 3 servos, and WiFi/BLE. Build a programmable Mars Rover replica with robotic arm and live video feed. [Details](https://openhardware.directory/devices/circuitmess-nasa-mars-perseverance-rover) | [Markdown](https://openhardware.directory/devices/circuitmess-nasa-mars-perseverance-rover/md) ## DFRobot EDGE201 DMX512 ESP32-S3 Lighting Controller ESP32-S3-based DMX512 lighting programming controller with dual-core architecture, 8 optically isolated inputs, RS485, relay output, WiFi/Bluetooth, and DIN-rail mounting in an alloy steel enclosure. Designed for stage, theater, and venue lighting automation. [Details](https://openhardware.directory/devices/dfrobot-edge201-dmx512-esp32-s3-controller) | [Markdown](https://openhardware.directory/devices/dfrobot-edge201-dmx512-esp32-s3-controller/md) ## DFRobot Romeo ESP32-S3 All-in-one robotics development board with ESP32-S3 (16MB flash, 8MB PSRAM), four-channel 2.5A motor driver, OV2640 camera, WiFi, Bluetooth 5, microSD, and GDI display connector for building smart robots. [Details](https://openhardware.directory/devices/dfrobot-romeo-esp32-s3) | [Markdown](https://openhardware.directory/devices/dfrobot-romeo-esp32-s3/md) ## DFRobot FireBeetle 2 ESP32-S3 (N4) ESP32-S3 dual-core IoT microcontroller with AI acceleration, WiFi 802.11 b/g/n, BLE 5.0, 26 GPIO pins, 20 ADC channels, USB 2.0 OTG, GDI display interface, lithium battery charging, and stamp-hole PCB design in a 25.4x60mm form factor. [Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-s3-n4) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-s3-n4/md) ## DFRobot UNIHIKER K10 All-in-one AI coding board for STEM education with ESP32-S3, 2.8-inch touchscreen, 2MP camera, microphone, speaker, environmental sensors, WiFi, Bluetooth 5, and pre-loaded AI models for vision, voice, and TinyML. [Details](https://openhardware.directory/devices/dfrobot-unihiker-k10) | [Markdown](https://openhardware.directory/devices/dfrobot-unihiker-k10/md) ## DFRobot ESP32-S3 AI Camera ESP32-S3 AI camera module with 2MP wide-angle night vision sensor, I2S speaker and microphone, ambient light sensor, WiFi/BLE 5.0, and edge AI inference support in a 42x42mm package. [Details](https://openhardware.directory/devices/dfrobot-esp32-s3-ai-camera) | [Markdown](https://openhardware.directory/devices/dfrobot-esp32-s3-ai-camera/md) ## Waveshare ESP32-S3-LR1121 Compact castellated ESP32-S3 development board with Semtech LR1121 multi-band LoRa transceiver supporting Sub-GHz and 2.4GHz bands, WiFi, BLE 5.0, and Meshtastic compatibility in a 41x21mm form factor. [Details](https://openhardware.directory/devices/waveshare-esp32-s3-lr1121) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-lr1121/md) ## Waveshare ESP32-S3-CAM-OV5640 ESP32-S3 AIoT camera board with 5MP OV5640 autofocus camera, dual-microphone array with noise cancellation, ES8311 audio codec, NS4150B speaker amplifier, battery charging, and display/camera expansion interfaces. [Details](https://openhardware.directory/devices/waveshare-esp32-s3-cam-ov5640) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-cam-ov5640/md) ## Waveshare ESP32-S3-AUDIO-Board ESP32-S3 AI smart speaker development board with dual-microphone array, ES8311 audio codec, 7 surround RGB LEDs, RTC, camera and LCD expansion interfaces, and LiPo battery support for voice assistant and audio projects. [Details](https://openhardware.directory/devices/waveshare-esp32-s3-audio-board) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-audio-board/md) ## Waveshare ESP32-S3-RS485-CAN Industrial ESP32-S3 control board with isolated RS-485 and CAN bus interfaces, 7-36V wide voltage input, PCF85063 RTC, DIN rail enclosure, and WiFi/Bluetooth for industrial IoT and automation applications. [Details](https://openhardware.directory/devices/waveshare-esp32-s3-rs485-can) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-rs485-can/md) ## Waveshare ESP32-S3-POE-ETH-8DI-8DO Industrial ESP32-S3 controller with 8-channel optocoupler-isolated digital inputs (5-36V), 8-channel Darlington outputs (500mA each), PoE Ethernet (W5500), isolated RS-485 and CAN bus, RTC, and DIN rail enclosure. [Details](https://openhardware.directory/devices/waveshare-esp32-s3-poe-eth-8di-8do) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-s3-poe-eth-8di-8do/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) ## FeatherS2 Neo ESP32-S2 ESP32-S2 Feather-format board by Unexpected Maker with 4MB flash, 2MB PSRAM, 5×5 RGB LED matrix, LiPo charging, and STEMMA QT — designed for colorful wearable and IoT projects. [Details](https://openhardware.directory/devices/feathers2-neo) | [Markdown](https://openhardware.directory/devices/feathers2-neo/md) ## Adafruit FunHouse WiFi IoT automation board with ESP32-S2, built-in 1.54″ color TFT, barometric pressure, humidity, temperature sensors, DotStar LEDs, capacitive touch, and a speaker. [Details](https://openhardware.directory/devices/adafruit-funhouse) | [Markdown](https://openhardware.directory/devices/adafruit-funhouse/md) ## Adafruit ESP32-S2 Feather Feather-format ESP32-S2 board with 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, LiPoly charging, and MAX17048 battery monitor — WiFi IoT in the Feather ecosystem. [Details](https://openhardware.directory/devices/adafruit-esp32-s2-feather) | [Markdown](https://openhardware.directory/devices/adafruit-esp32-s2-feather/md) ## TinyS2 ESP32-S2 Ultra-compact ESP32-S2 development board by Unexpected Maker in the TinyPICO form factor, with 4 MB flash, 2 MB PSRAM, native USB, WiFi, and LiPo charging at just 17.8 × 41 mm. [Details](https://openhardware.directory/devices/tinys2-esp32-s2) | [Markdown](https://openhardware.directory/devices/tinys2-esp32-s2/md) ## ESP32-S2 HMI DevKit 1 Espressif ESP32-S2-WROVER HMI development kit with a 4.3″ 800×480 capacitive touchscreen, onboard IMU, microphone, speaker, microSD, IR, and RGB LEDs — designed for smart-home panel prototyping. [Details](https://openhardware.directory/devices/esp32-s2-hmi-devkit-1) | [Markdown](https://openhardware.directory/devices/esp32-s2-hmi-devkit-1/md) ## ESP32-S3 Box Espressif AIoT development kit with ESP32-S3, a 2.4″ 320×240 capacitive touchscreen, dual microphones, speaker, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, and Pmod expansion. [Details](https://openhardware.directory/devices/esp32-s3-box) | [Markdown](https://openhardware.directory/devices/esp32-s3-box/md) ## Adafruit ESP32-S2 Feather with BME280 ESP32-S2 Feather with an onboard BME280 temperature, humidity, and barometric pressure sensor, plus 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, and LiPoly charging. [Details](https://openhardware.directory/devices/adafruit-esp32-s2-feather-bme280) | [Markdown](https://openhardware.directory/devices/adafruit-esp32-s2-feather-bme280/md) ## Adafruit My Little Hacker ESP32-S2 Child-oriented ESP32-S2 dev board with 4MB flash, 2MB PSRAM, 5 NeoPixels, microSD, I2S audio amplifier for speakers, USB-C, STEMMA QT, and AA battery or USB-C power support. [Details](https://openhardware.directory/devices/adafruit-my-little-hacker-esp32-s2) | [Markdown](https://openhardware.directory/devices/adafruit-my-little-hacker-esp32-s2/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) ## ESP32-S3-DevKitC-1 Espressif official ESP32-S3 development board with ESP32-S3-WROOM-1 module, dual-core 240 MHz LX7, up to 45 GPIO, dual USB ports, and available in three memory variants: 8MB/2MB PSRAM, 8MB/8MB PSRAM, and 32MB/16MB PSRAM (WROOM-2). [Details](https://openhardware.directory/devices/esp32-s3-devkitc-1) | [Markdown](https://openhardware.directory/devices/esp32-s3-devkitc-1/md) ## ESP32-S2-WROVER Module Bare WiFi module with Espressif ESP32-S2 single-core Xtensa LX7 @ 240MHz, 4MB Flash, 2MB PSRAM, 802.11b/g/n, native USB 1.1 OTG, and SMD pads. Intended for integration onto custom PCBs, not a standalone dev board. [Details](https://openhardware.directory/devices/esp32-s2-wrover-module) | [Markdown](https://openhardware.directory/devices/esp32-s2-wrover-module/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-DevKitM-1 Espressif official ESP32-S3 development board using the compact ESP32-S3-MINI-1 module, with dual-core 240 MHz LX7, 8 MB flash, up to 45 GPIO, dual USB ports, and smaller footprint than the WROOM-1. [Details](https://openhardware.directory/devices/esp32-s3-devkitm-1) | [Markdown](https://openhardware.directory/devices/esp32-s3-devkitm-1/md) ## ESP32-S2-WROVER-I Module with uFL Bare WiFi module with ESP32-S2 Xtensa LX7 @ 240MHz, 4MB Flash, 2MB PSRAM, 802.11b/g/n, native USB OTG, and a uFL connector for an external antenna. Drop-in variant of the WROVER for improved RF range. [Details](https://openhardware.directory/devices/esp32-s2-wrover-i-module-with-ufl) | [Markdown](https://openhardware.directory/devices/esp32-s2-wrover-i-module-with-ufl/md) ## Adafruit ESP32-S3 Feather (8MB Flash, No PSRAM) Feather-format ESP32-S3 dual-core 240 MHz board with 8 MB flash, native USB-C, BLE, WiFi, STEMMA QT, LiPoly charging, and MAX17048 — no PSRAM variant for leaner memory budgets. [Details](https://openhardware.directory/devices/adafruit-esp32-s3-feather-8mb) | [Markdown](https://openhardware.directory/devices/adafruit-esp32-s3-feather-8mb/md) ## Adafruit QT Py ESP32-S2 Tiny Seeed XIAO-compatible ESP32-S2 dev board with 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, WiFi, 13 GPIO, and 10 ADC inputs — no Bluetooth, all in a 21.8 × 17.9 mm footprint. [Details](https://openhardware.directory/devices/adafruit-qt-py-esp32-s2) | [Markdown](https://openhardware.directory/devices/adafruit-qt-py-esp32-s2/md) ## ESP32-S2 Saola 1R Dev Kit Espressif official ESP32-S2-WROVER development board with dual 20-pin headers (breadboard-friendly), 8MB Flash, 2MB PSRAM, WiFi, dual Micro-USB (native USB + UART bridge), NeoPixel RGB LED, and boot/reset buttons. [Details](https://openhardware.directory/devices/esp32-s2-saola-1r-dev-kit) | [Markdown](https://openhardware.directory/devices/esp32-s2-saola-1r-dev-kit/md) ## ESP32-S2 Kaluga Dev Kit Espressif's multimedia-focused ESP32-S2 evaluation platform bundling four extension boards: audio player, capacitive touch panel, 3.2" LCD display, and camera module. Designed to showcase ESP32-S2 human-computer interaction features. [Details](https://openhardware.directory/devices/esp32-s2-kaluga-dev-kit) | [Markdown](https://openhardware.directory/devices/esp32-s2-kaluga-dev-kit/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) ## Adafruit QT Py ESP32-S2 with uFL Antenna QT Py-sized ESP32-S2 dev board with a uFL connector for an external 2.4 GHz antenna, 4 MB flash, 2 MB PSRAM, native USB-C, STEMMA QT, and 13 GPIO — for improved WiFi range. [Details](https://openhardware.directory/devices/adafruit-qt-py-esp32-s2-ufl) | [Markdown](https://openhardware.directory/devices/adafruit-qt-py-esp32-s2-ufl/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) ## FeatherS2 ESP32-S2 Full-featured ESP32-S2 Feather-compatible board by Unexpected Maker with 16MB Flash, 8MB QSPI PSRAM, WiFi, native USB-C, 21 GPIO, STEMMA QT, APA102 RGB LED, ambient light sensor, and dual 700mA LDOs. [Details](https://openhardware.directory/devices/feathers2-esp32-s2) | [Markdown](https://openhardware.directory/devices/feathers2-esp32-s2/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) ## Adafruit Metro ESP32-S2 Arduino Uno-compatible WiFi dev board with ESP32-S2 single-core @ 240MHz, 4MB Flash, 2MB PSRAM, native USB-C, STEMMA QT, LiPoly charging, MAX17048 fuel gauge, barrel jack, and UNO shield compatibility. [Details](https://openhardware.directory/devices/adafruit-metro-esp32-s2) | [Markdown](https://openhardware.directory/devices/adafruit-metro-esp32-s2/md) ## TinyS3 ESP32-S3 Ultra-compact ESP32-S3 dev board by Unexpected Maker in the TinyPICO form factor — dual-core 240 MHz LX7, 8 MB Flash, 8 MB PSRAM, WiFi, BLE 5, 17 GPIO, LiPo charging at 35 × 17.8 mm. [Details](https://openhardware.directory/devices/tinys3-esp32-s3) | [Markdown](https://openhardware.directory/devices/tinys3-esp32-s3/md) ## FeatherS3 ESP32-S3 Pro ESP32-S3 Feather-form-factor board by Unexpected Maker — dual-core 240 MHz LX7, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, 21 GPIO, 2× STEMMA connectors, dual LDOs, LiPo charging. [Details](https://openhardware.directory/devices/feathers3-esp32-s3) | [Markdown](https://openhardware.directory/devices/feathers3-esp32-s3/md) ## ProS3 ESP32-S3 Unexpected Maker's ultimate ESP32-S3 dev board — dual-core 240 MHz LX7, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, 27 GPIO, 2× LDOs, castellated headers, STEMMA, LiPo charging, JTAG. [Details](https://openhardware.directory/devices/pros3-esp32-s3) | [Markdown](https://openhardware.directory/devices/pros3-esp32-s3/md) ## Adafruit QT Py ESP32-S3 Tiny dual-core ESP32-S3 dev board in the QT Py / Seeed XIAO footprint — 8 MB flash, WiFi, BLE 5, native USB-C, STEMMA QT, 13 GPIO, 10 ADC inputs, no PSRAM variant. [Details](https://openhardware.directory/devices/adafruit-qt-py-esp32-s3) | [Markdown](https://openhardware.directory/devices/adafruit-qt-py-esp32-s3/md) ## Adafruit ESP32-S3 Feather (4MB Flash, 2MB PSRAM) Feather-format ESP32-S3 board with 4 MB flash and 2 MB PSRAM, dual-core 240 MHz, native USB-C, BLE 5, WiFi, STEMMA QT, LiPoly charging, and MAX17048 battery monitor. [Details](https://openhardware.directory/devices/adafruit-esp32-s3-feather-4mb-psram) | [Markdown](https://openhardware.directory/devices/adafruit-esp32-s3-feather-4mb-psram/md) ## Adafruit Metro ESP32-S3 Arduino UNO-compatible Metro board with ESP32-S3 dual-core 240 MHz, 16 MB flash, 8 MB Octal PSRAM, WiFi, BLE 5, native USB-C, STEMMA QT, LiPoly charging, and JTAG debug header. [Details](https://openhardware.directory/devices/adafruit-metro-esp32-s3) | [Markdown](https://openhardware.directory/devices/adafruit-metro-esp32-s3/md) ## Adafruit MagTag The Adafruit MagTag is an ESP32-S2 WiFi e-paper IoT display board featuring a 2.9" 296×128 grayscale e-ink screen, 4 NeoPixels, LIS3DH accelerometer, 4 user buttons, STEMMA QT, USB-C, LiPo charging, and a deep-sleep current of ~250µA — ideal for low-power battery-driven IoT displays. [Details](https://openhardware.directory/devices/adafruit-magtag) | [Markdown](https://openhardware.directory/devices/adafruit-magtag/md) ## ESP32-S3 Box Lite Espressif AIoT dev kit — ESP32-S3, 2.4″ 320×240 display, dual MEMS microphones, speaker, 16 MB Flash, 8 MB PSRAM, WiFi, BLE 5, Pmod expansion — the dock-free Lite sibling of the ESP32-S3 Box. [Details](https://openhardware.directory/devices/esp32-s3-box-lite) | [Markdown](https://openhardware.directory/devices/esp32-s3-box-lite/md) ## ESP32-S2 WROOM Module The ESP32-S2 WROOM is an Espressif WiFi module with a single-core Xtensa LX7 at 240MHz, 4MB flash, 320KB SRAM, built-in PCB antenna, native USB OTG, and rich peripheral support — a cost-effective WiFi-only module (no Bluetooth) with USB capabilities for IoT and embedded designs. [Details](https://openhardware.directory/devices/esp32-s2-wroom-module) | [Markdown](https://openhardware.directory/devices/esp32-s2-wroom-module/md) ## Adafruit Matrix Portal S3 ESP32-S3 board designed to drive HUB75 LED matrix panels directly, with built-in WiFi, BLE 5.0, native USB, STEMMA QT connector, and two user buttons — ideal for dynamic digital signage and LED art displays. [Details](https://openhardware.directory/devices/adafruit-matrix-portal-s3) | [Markdown](https://openhardware.directory/devices/adafruit-matrix-portal-s3/md) ## Adafruit Feather ESP32-S3 Feather-format ESP32-S3 board with native USB, WiFi, BLE 5.0, 8MB flash, LiPo charging, and full Feather ecosystem compatibility — a capable wireless development platform for CircuitPython and Arduino projects. [Details](https://openhardware.directory/devices/adafruit-feather-esp32-s3) | [Markdown](https://openhardware.directory/devices/adafruit-feather-esp32-s3/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) ## 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 StamPLC ESP32-S3 industrial PLC controller with 1.14" IPS LCD, 4 relays, 8 opto-isolated inputs, RS-485, CAN bus, INA226 power monitor, RTC, buzzer, microSD, and DIN-rail mounting in a compact enclosure. [Details](https://openhardware.directory/devices/m5stack-stamplc) | [Markdown](https://openhardware.directory/devices/m5stack-stamplc/md) ## Heltec Wireless Shell V3 Ultra-compact ESP32-S3 + SX1262 LoRa module with stamp-hole design for direct PCB integration, supporting WiFi, BLE 5, and LoRa at 470-928MHz with deep sleep current under 10uA. [Details](https://openhardware.directory/devices/heltec-wireless-shell-v3) | [Markdown](https://openhardware.directory/devices/heltec-wireless-shell-v3/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) ## 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) ## 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 HT-DE01 Multi Size E-Ink Drive Board A compact universal e-ink driver board based on ESP32-S3FN8 with WiFi and Bluetooth connectivity, 24-pin FFC interface compatible with most e-ink displays, USB-C and LiPo battery support, and Arduino development environment. [Details](https://openhardware.directory/devices/heltec-ht-de01) | [Markdown](https://openhardware.directory/devices/heltec-ht-de01/md) ## Heltec Wireless Tracker V2 ESP32-S3 development board with SX1262 LoRa (28dBm), UC6580 dual-frequency GNSS, 0.96" TFT display, solar charging, and Meshtastic/MeshCore support for GPS tracking and mesh networking. [Details](https://openhardware.directory/devices/heltec-wireless-tracker-v2) | [Markdown](https://openhardware.directory/devices/heltec-wireless-tracker-v2/md) ## Heltec Wireless Tracker ESP32-S3 development board with integrated SX1262 LoRa transceiver, UC6580 dual-frequency GNSS receiver, and 0.96-inch TFT display for IoT asset tracking, Meshtastic mesh networking, and LoRaWAN applications. [Details](https://openhardware.directory/devices/heltec-wireless-tracker) | [Markdown](https://openhardware.directory/devices/heltec-wireless-tracker/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) ## Heltec Vision Master E213 ESP32-S3 development board with 2.13-inch E-Paper display and optional SX1262 LoRa radio, supporting Meshtastic, LoRaWAN, Arduino, and MicroPython. Features WiFi, BLE 5.0, ultra-low 20uA deep sleep, lithium battery management, and dual SH2.0 sensor ports. [Details](https://openhardware.directory/devices/heltec-vision-master-e213) | [Markdown](https://openhardware.directory/devices/heltec-vision-master-e213/md) ## Heltec Vision Master E290 ESP32-S3 development board with 2.9-inch e-ink display and optional SX1262 LoRa radio, featuring Raspberry Pi GPIO header, Meshtastic support, and 18uA deep sleep for battery-powered IoT and mesh networking applications. [Details](https://openhardware.directory/devices/heltec-vision-master-e290) | [Markdown](https://openhardware.directory/devices/heltec-vision-master-e290/md) ## Heltec Vision Master T190 ESP32-S3 development board with optional SX1262 LoRa module and 1.9-inch TFT color display. Supports Meshtastic, LoRaWAN, Arduino, MicroPython, and features integrated battery management with 18uA deep sleep. [Details](https://openhardware.directory/devices/heltec-vision-master-t190) | [Markdown](https://openhardware.directory/devices/heltec-vision-master-t190/md) ## Heltec Wireless Paper ESP32-S3 + SX1262 LoRa E-Ink development board with 2.13" e-paper display, WiFi, BLE 5.0, and LoRa connectivity. Designed for electronic shelf labels, Meshtastic mesh nodes, and low-power IoT sensor displays. [Details](https://openhardware.directory/devices/heltec-wireless-paper) | [Markdown](https://openhardware.directory/devices/heltec-wireless-paper/md) ## Arduino Nano ESP32 Arduino Nano form factor powered by ESP32-S3 with WiFi 802.11 b/g/n, Bluetooth LE 5.0, dual-core Xtensa LX7 at 240MHz, 8MB flash, 512KB SRAM, USB-C, and HID support — Arduino's compact IoT powerhouse with MicroPython support. [Details](https://openhardware.directory/devices/arduino-nano-esp32) | [Markdown](https://openhardware.directory/devices/arduino-nano-esp32/md) ## BigTreeTech Panda Touch 5-inch 800x480 IPS WiFi touchscreen for Bambu Lab X1, P1, and A1 series 3D printers. ESP32-S3 based, 16MB flash, 8MB PSRAM, built-in battery for portable use, supports up to 4 printers simultaneously. [Details](https://openhardware.directory/devices/bigtreetech-panda-touch) | [Markdown](https://openhardware.directory/devices/bigtreetech-panda-touch/md) ## BigTreeTech K-Touch 5-inch 800x480 IPS WiFi touchscreen controller for Klipper printers. ESP32-S3 based, 16MB flash, 8MB PSRAM, built-in battery for 30 minutes portable use, supports up to 50 Klipper printers. [Details](https://openhardware.directory/devices/bigtreetech-k-touch) | [Markdown](https://openhardware.directory/devices/bigtreetech-k-touch/md)