# 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.

**91 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-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

Compact ESP32-PICO-D4 development board with integrated 1.14-inch ST7789V IPS LCD (135×240, 260 PPI), WiFi, Bluetooth 4.2/BLE, and Arduino/MicroPython support.

[Details](https://openhardware.directory/devices/lilygo-t-display) | [Markdown](https://openhardware.directory/devices/lilygo-t-display/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-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-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-Higrow

ESP32 plant sensor board with capacitive soil moisture, soil fertility, BH1750 light sensor, and DHT11/BME280 temperature/humidity — WiFi-connected smart plant care for gardens and greenhouses.

[Details](https://openhardware.directory/devices/lilygo-t-higrow) | [Markdown](https://openhardware.directory/devices/lilygo-t-higrow/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-Call SIM800

ESP32 board with SIM800L 2G GSM/GPRS modem for SMS alerts, voice calls, and cellular data — ideal for remote monitoring and IoT projects needing cellular fallback on a budget.

[Details](https://openhardware.directory/devices/lilygo-t-call-sim800) | [Markdown](https://openhardware.directory/devices/lilygo-t-call-sim800/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-Internet-POE

ESP32 board with LAN8720 10/100 Mbps Ethernet, Power-over-Ethernet (PoE 36–57V), WiFi, and BLE 4.2 — ideal for wired IoT gateways, industrial automation, and network-connected data loggers.

[Details](https://openhardware.directory/devices/lilygo-t-internet-poe) | [Markdown](https://openhardware.directory/devices/lilygo-t-internet-poe/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 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-CAN485

ESP32 development board with integrated CAN bus and RS-485 transceivers, TF card, WiFi, and BLE for industrial IoT, Modbus, and automotive OBD-II applications with 5–12V wide-range power input.

[Details](https://openhardware.directory/devices/lilygo-t-can485) | [Markdown](https://openhardware.directory/devices/lilygo-t-can485/md)

## LILYGO T-QT C6

Tiny ESP32-C6 dev board with WiFi 6, BLE 5, Zigbee/Thread (802.15.4), 0.85" 128×128 touchscreen, LiPo battery charging, and breathing LED in a thumbnail-sized form factor.

[Details](https://openhardware.directory/devices/lilygo-t-qt-c6) | [Markdown](https://openhardware.directory/devices/lilygo-t-qt-c6/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-Knob

Smart rotary encoder controller based on ESP32-C6 with WiFi 6, BLE 5, Zigbee/Thread, 4 RGB LEDs, buzzer, and magnetic Hall-effect knob for wireless volume control and smart home automation.

[Details](https://openhardware.directory/devices/lilygo-t-knob) | [Markdown](https://openhardware.directory/devices/lilygo-t-knob/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 T5s 2.7 inch E-Paper

LILYGO T5s is an ESP32 development board with a 2.7-inch 264×176 e-paper display, onboard I2S audio (MAX98357A amplifier + ICS43434 MEMS mic), 500mA battery management, and TF card support.

[Details](https://openhardware.directory/devices/lilygo-t5s-2-7inch-e-paper) | [Markdown](https://openhardware.directory/devices/lilygo-t5s-2-7inch-e-paper/md)

## LILYGO T8-C3

LILYGO T8-C3 is a compact ESP32-C3 development board featuring Wi-Fi, BLE 5.0, 4MB flash, TF card slot, and USB Type-C, requiring the T-U2T adapter for programming.

[Details](https://openhardware.directory/devices/lilygo-t8-c3) | [Markdown](https://openhardware.directory/devices/lilygo-t8-c3/md)

## LILYGO T-OI Plus

LILYGO T-OI Plus is a compact ESP32-C3 development board with Wi-Fi, BLE 5.0, Grove connectors, and optional 16340 battery holder, designed to fit Sonoff BASICR2 enclosures.

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

## LILYGO T5 2.13inch E-Paper

LILYGO T5 2.13inch E-Paper is an ESP32-D0WDQ6 V3 development board with a 2.13-inch 212×104 e-ink display supporting 4-level grayscale, 4MB flash, TF card slot, and battery management with 4 user buttons.

[Details](https://openhardware.directory/devices/lilygo-t5-2-13inch-e-paper) | [Markdown](https://openhardware.directory/devices/lilygo-t5-2-13inch-e-paper/md)

## LILYGO T-Relay

ESP32 development board with 4 onboard HRS4H-S-DC5V relays, 4MB flash, 8MB PSRAM, WiFi, BLE 4.2, and optocoupler-isolated GPIO expansion — designed for wireless remote switch control of AC/DC loads.

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

## LILYGO T-01C3

LILYGO T-01C3 is an ultra-compact ESP32-C3 RISC-V module with Wi-Fi and BLE 5.0, available with or without pre-soldered pins, featuring 5.33µA deep sleep current.

[Details](https://openhardware.directory/devices/lilygo-t-01c3) | [Markdown](https://openhardware.directory/devices/lilygo-t-01c3/md)

## LILYGO T-Micro32 Plus

LILYGO T-Micro32 Plus is an upgraded compact ESP32 module with 8MB flash, 2MB PSRAM, expanded GPIO, and an improved RED C3 ceramic antenna for stronger wireless performance.

[Details](https://openhardware.directory/devices/lilygo-t-micro32-plus) | [Markdown](https://openhardware.directory/devices/lilygo-t-micro32-plus/md)

## LILYGO T-Micro32 V2.0

LILYGO T-Micro32 V2.0 is a 45%-smaller ESP32 PICO-D4 module with integrated IPEX antenna connector, designed for space-constrained embedded product designs.

[Details](https://openhardware.directory/devices/lilygo-t-micro32-v2) | [Markdown](https://openhardware.directory/devices/lilygo-t-micro32-v2/md)

## LILYGO T-Micro32 S3

LILYGO T-Micro32 S3 is an ultra-compact ESP32-S3FH4R2 module with Wi-Fi, BLE 5.0, 4MB flash, 2MB PSRAM, and dual-core Xtensa LX7 processor in a minimal footprint.

[Details](https://openhardware.directory/devices/lilygo-t-micro32-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t-micro32-s3/md)

## LILYGO T-Internet-COM

ESP32 development board with LAN8720 Ethernet, 16MB flash, 8MB PSRAM, WS2812 RGB LED, SIM/TF card slots, and T-PCIE expansion support for industrial IoT, wired networking, and CAN bus applications.

[Details](https://openhardware.directory/devices/lilygo-t-internet-com) | [Markdown](https://openhardware.directory/devices/lilygo-t-internet-com/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 T7 V1.3 Mini32 ESP32

Compact ESP32 development board (Mini32 form factor) with 4MB Flash, WiFi 802.11 b/g/n, Bluetooth 4.2, CH340C USB-to-serial, TP4054 LiPo charger, and 1.25mm JST battery connector — a classic breadboard-compatible IoT dev board.

[Details](https://openhardware.directory/devices/lilygo-t7-v1-3-mini-32-esp32) | [Markdown](https://openhardware.directory/devices/lilygo-t7-v1-3-mini-32-esp32/md)

## LILYGO T7 Mini32 V1.5

Updated ESP32 Mini32 development board with 8MB PSRAM, 4/16MB Flash options, dual-core 240MHz, CH9102 USB-serial, WiFi, BLE 4.2, and 1.25mm JST LiPo connector in a 40×31mm breadboard-friendly footprint.

[Details](https://openhardware.directory/devices/lilygo-t7-mini32-v1-5) | [Markdown](https://openhardware.directory/devices/lilygo-t7-mini32-v1-5/md)

## LILYGO T4

LILYGO T4 is an ESP32 development board with 8MB PSRAM, optional 2.2 or 2.4-inch ILI9341 TFT LCD display, Wi-Fi, Bluetooth 4.2 BLE, and Li-Po battery support.

[Details](https://openhardware.directory/devices/lilygo-t4) | [Markdown](https://openhardware.directory/devices/lilygo-t4/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-PoE Pro

ESP32-WROVER-E development board with LAN8720 Ethernet, IEEE 802.3 af/at Power over Ethernet (5V@4A, 44–57V input), 16MB flash, 8MB PSRAM, WiFi, BLE 4.2, and expandable LCD interface for wired IoT gateway applications.

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

## LILYGO T4 S3

LILYGO T4 S3 is an ESP32-S3 development board with a 2.41-inch AMOLED touchscreen (450x600), 16MB flash, 8MB PSRAM, microSD slot, Wi-Fi, and Bluetooth 5 LE.

[Details](https://openhardware.directory/devices/lilygo-t4-s3) | [Markdown](https://openhardware.directory/devices/lilygo-t4-s3/md)

## LILYGO T-Relay 5V 8-Channel

ESP32-WROVER-E development board with 8 optocoupler-isolated 5V relay channels (HRS4H-S-DC5V), Wi-Fi, BLE 4.2, 8MB PSRAM, and support for DC 12–24V power input for industrial automation.

[Details](https://openhardware.directory/devices/lilygo-t-relay-5v-8-channel) | [Markdown](https://openhardware.directory/devices/lilygo-t-relay-5v-8-channel/md)

## LILYGO T-Zigbee ESP32-C3 TLSR8258

Dual-MCU Zigbee development board combining ESP32-C3 (WiFi/BLE) and Telink TLSR8258 (Zigbee/BLE Mesh) — both run simultaneously for bridging Zigbee sensor networks to WiFi/cloud platforms.

[Details](https://openhardware.directory/devices/lilygo-t-zigbee-esp32-c3-tlsr8258) | [Markdown](https://openhardware.directory/devices/lilygo-t-zigbee-esp32-c3-tlsr8258/md)

## ESP32-CAM

ESP32-based camera dev board with OV2640 2MP sensor, microSD slot, WiFi, Bluetooth, 4MB flash, and 520KB SRAM. Ideal for DIY security cameras, timelapse, and computer vision projects.

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

## WT32-ETH01

ESP32 module with built-in Ethernet (LAN8720A PHY), WiFi, and Bluetooth. Designed for wired IoT applications, gateways, and industrial automation where reliable network connectivity is essential.

[Details](https://openhardware.directory/devices/wt32-eth01) | [Markdown](https://openhardware.directory/devices/wt32-eth01/md)

## M5Stack Atom Echo

Ultra-compact ESP32-PICO smart speaker dev kit (24x24mm) with built-in microphone, speaker, RGB LED, button, and Grove port. Ideal for voice assistant and audio streaming projects.

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

## M5Stack NanoC6

Ultra-compact ESP32-C6 dev board by M5Stack with WiFi 6, BLE 5.0, Zigbee 3.0, and Thread/Matter support. RISC-V single-core at 160MHz, USB-C, RGB LED, and button in a tiny form factor.

[Details](https://openhardware.directory/devices/m5stack-nanoc6) | [Markdown](https://openhardware.directory/devices/m5stack-nanoc6/md)

## M5Stack Atom Matrix

Ultra-compact ESP32-PICO dev board (24x24mm) with 5x5 RGB LED matrix, 6-axis IMU (MPU6886), IR LED, programmable button, and Grove port. Perfect for LED displays and motion sensing.

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

## 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)

## Prokyber AI-on-the-Edge-Cam

Open-source ESP32-S3 camera board with PoE, microSD, and Stemma QT designed for AI-powered utility meter reading using the AI-on-the-edge-device firmware with TensorFlow Lite inference.

[Details](https://openhardware.directory/devices/ai-on-the-edge-cam) | [Markdown](https://openhardware.directory/devices/ai-on-the-edge-cam/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)

## Sonoff BasicR2

WiFi smart switch based on ESP8285, widely used in the open-source home automation community. Easily flashable with Tasmota or ESPHome for local-only smart home control without cloud dependency.

[Details](https://openhardware.directory/devices/sonoff-basicr2) | [Markdown](https://openhardware.directory/devices/sonoff-basicr2/md)

## Denky D4

Open-source ESP32 Teleinfo reader board for French Linky energy meters. Pre-flashed with Tasmota, features USB-C, WiFi, QWIIC I2C port, and RGB LED. Reads both Standard and Historique TIC formats.

[Details](https://openhardware.directory/devices/denky-d4) | [Markdown](https://openhardware.directory/devices/denky-d4/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)

## Open AIR Mini

Open-source ESP32-based ventilation controller for Ducobox Silent/Focus and Orcon MVS-15xx systems with optional CO2, humidity, VOC, and NOx sensors, fully compatible with ESPHome and Home Assistant.

[Details](https://openhardware.directory/devices/open-air-mini) | [Markdown](https://openhardware.directory/devices/open-air-mini/md)

## LOLIN D1 Mini V3

Compact WiFi development board based on the ESP8266-12F module. Features 4 MB flash, 11 digital I/O pins, Micro-USB, and a rich shield ecosystem. One of the most popular boards for IoT projects.

[Details](https://openhardware.directory/devices/d1-mini-v3) | [Markdown](https://openhardware.directory/devices/d1-mini-v3/md)

## Seeed XIAO 2-Channel WiFi AC Relay

ESP32-C6 based 2-channel AC relay module with WiFi 6, Zigbee 3.0, and Thread support. Compact relay board compatible with Arduino and ESPHome for smart home AC switching up to 10A per channel.

[Details](https://openhardware.directory/devices/seeed-xiao-2-channel-wifi-ac-relay) | [Markdown](https://openhardware.directory/devices/seeed-xiao-2-channel-wifi-ac-relay/md)

## M5Stack Single Live Wire WiFi Smart Switch

ESP32-C6 based WiFi smart switch for single live wire AC power control. Supports WiFi 6 and Zigbee 3.0, fits standard wall boxes for home automation.

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

## ESP8266 ESP-01S WiFi Module

Compact ESP8266-based WiFi dev board with 1MB flash, 2 GPIO pins, and 802.11 b/g/n. Runs Arduino, MicroPython, ESPHome, and Tasmota firmware for smart home and IoT projects.

[Details](https://openhardware.directory/devices/esp8266-esp-01s) | [Markdown](https://openhardware.directory/devices/esp8266-esp-01s/md)

## Makerfabs ESP32 UWB DW3000

ESP32 + DW3000 UWB development board for centimeter-accurate indoor positioning and ranging. Supports UWB channels 5 and 9, FiRa compatible, Apple U1 interoperable. WiFi and Bluetooth for data relay.

[Details](https://openhardware.directory/devices/makerfabs-esp32-uwb-dw3000) | [Markdown](https://openhardware.directory/devices/makerfabs-esp32-uwb-dw3000/md)

## Louder ESP32

ESP32 audio development board with TAS5805M I2S Class-D amplifier delivering 2x23W stereo output, designed for multi-room audio, network streaming, and smart home integration.

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

## Airlytix ES1

ESPHome-native indoor air quality sensor with PM1.0/PM2.5/PM4/PM10, CO2, VOC, NOx, temperature, humidity, pressure, light, and sound monitoring. Designed for Home Assistant with full local control and open YAML configuration.

[Details](https://openhardware.directory/devices/airlytix-es1) | [Markdown](https://openhardware.directory/devices/airlytix-es1/md)

## HeishaMon Communication PCB

Open-source ESP-based communication PCB for local monitoring and control of Panasonic Aquarea heat pumps via MQTT and HTTP, with Home Assistant integration and S0 energy metering support.

[Details](https://openhardware.directory/devices/heishamon-communication-pcb) | [Markdown](https://openhardware.directory/devices/heishamon-communication-pcb/md)

## Wemos D1 Mini (ESP8266)

Compact ESP8266-based WiFi development board with 4MB flash, 11 digital I/O pins, micro-USB, and a rich shield ecosystem. The most popular board for Tasmota and ESPHome DIY home automation projects.

[Details](https://openhardware.directory/devices/wemos-d1-mini-esp8266) | [Markdown](https://openhardware.directory/devices/wemos-d1-mini-esp8266/md)

## Shelly Plus 1

ESP32-C3 based WiFi/BLE smart relay module with 16A switching capacity, dry contact input, and compact DIN-rail or in-wall form factor. Flashable with Tasmota or ESPHome for local smart home control.

[Details](https://openhardware.directory/devices/shelly-plus-1) | [Markdown](https://openhardware.directory/devices/shelly-plus-1/md)

## Sonoff NSPanel

ESP32-based smart wall switch with 3.5-inch capacitive touchscreen, dual relay outputs, temperature sensor, and buzzer. Flashable with Tasmota for custom LVGL/Berry interfaces and Home Assistant integration.

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

## Sonoff MINIR4 Extreme

Ultra-compact ESP32-C3 WiFi smart switch module with 10A relay, detached switch mode, and the smallest form factor in its class. Fits any wall box. Flashable with Tasmota for local control.

[Details](https://openhardware.directory/devices/sonoff-minir4-extreme) | [Markdown](https://openhardware.directory/devices/sonoff-minir4-extreme/md)

## Shelly Plus 2PM

ESP32-based dual-relay WiFi/BLE smart switch with per-channel power monitoring via ADE7953, cover/shutter control mode, and 10A per channel. Flashable with Tasmota for local roller blind and dual light control.

[Details](https://openhardware.directory/devices/shelly-plus-2pm) | [Markdown](https://openhardware.directory/devices/shelly-plus-2pm/md)

## Olimex ESP32-POE

Open-source ESP32 development board with built-in Ethernet, Power-over-Ethernet support, micro-SD card slot, and LiPo battery connector. Ideal for wired Tasmota nodes and industrial IoT applications.

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

## Waveshare ESP32-C6-GEEK

Compact USB-A dongle development board with ESP32-C6 RISC-V MCU, 1.14\" IPS LCD, WiFi 6, BLE 5.0, Zigbee 3.0, Thread, and microSD slot for portable IoT projects.

[Details](https://openhardware.directory/devices/waveshare-esp32-c6-geek) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-c6-geek/md)

## Waveshare ESP32-H2-Zero

Ultra-compact castellated ESP32-H2 development board with BLE 5.2, Zigbee 3.0, Thread 1.3, and Matter support. USB-C powered with WS2812 RGB LED, 15 GPIO pins, and 4MB flash in a tiny 23.5 x 15.2mm form factor.

[Details](https://openhardware.directory/devices/waveshare-esp32-h2-zero) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-h2-zero/md)

## Waveshare ESP32-P4-ETH

Pico-form-factor development board with ESP32-P4 RISC-V dual-core at 400MHz, 100Mbps Ethernet via IP101 PHY, 32MB PSRAM, 32MB flash, MIPI-DSI/CSI interfaces, onboard ES8311 audio codec with amplifier, microSD, USB 2.0 OTG HS, and PoE module header.

[Details](https://openhardware.directory/devices/waveshare-esp32-p4-eth) | [Markdown](https://openhardware.directory/devices/waveshare-esp32-p4-eth/md)

## Olimex ESP32-C6-EVB

Open-source hardware evaluation board with ESP32-C6, 4 mains-rated relays, 4 opto-isolated inputs, and WiFi 6/Thread/Zigbee/Matter connectivity for home and industrial automation.

[Details](https://openhardware.directory/devices/olimex-esp32-c6-evb) | [Markdown](https://openhardware.directory/devices/olimex-esp32-c6-evb/md)

## Olimex ESP32-C6-DevKit-Lipo

Breadboard-friendly open-source ESP32-C6 dev board with WiFi 6, Thread, Zigbee, BLE 5, built-in LiPo charger, and dual USB-C — all for under €9.

[Details](https://openhardware.directory/devices/olimex-esp32-c6-devkit-lipo) | [Markdown](https://openhardware.directory/devices/olimex-esp32-c6-devkit-lipo/md)

## Olimex ESP32-H2-DevKit-LiPo

Ultra-affordable open-source ESP32-H2 dev board for Thread, Zigbee, and Matter — BLE 5, LiPo charging, Qwiic/Stemma, dual USB-C, for €5.95.

[Details](https://openhardware.directory/devices/olimex-esp32-h2-devkit-lipo) | [Markdown](https://openhardware.directory/devices/olimex-esp32-h2-devkit-lipo/md)

## DFRobot FireBeetle 2 ESP32-C6

Low-cost ESP32-C6 IoT board with WiFi 6, BLE 5, Thread, Zigbee, Matter, solar panel charging with MPPT, and ultra-low 16µA deep sleep — for $5.90.

[Details](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-c6) | [Markdown](https://openhardware.directory/devices/dfrobot-firebeetle-2-esp32-c6/md)

## DFRobot Beetle ESP32-C6

Coin-sized (25×20.5mm) ESP32-C6 wearable dev board with WiFi 6, BLE 5, Thread, Zigbee, Matter, integrated LiPo charger, and 14µA deep sleep — for $4.90.

[Details](https://openhardware.directory/devices/dfrobot-beetle-esp32-c6) | [Markdown](https://openhardware.directory/devices/dfrobot-beetle-esp32-c6/md)

## Seeed Studio XIAO ESP32C6

Thumb-sized (21×17.8mm) Matter/Thread/Zigbee/WiFi 6/BLE 5.3 dev board with dual RISC-V cores, onboard antenna, 15µA deep sleep, and hardware security — for ~$5.

[Details](https://openhardware.directory/devices/seeed-xiao-esp32c6) | [Markdown](https://openhardware.directory/devices/seeed-xiao-esp32c6/md)

## Adafruit ESP32-C6 Feather

Open-source Feather-form-factor ESP32-C6 board with WiFi 6, BLE 5, Thread, Zigbee, STEMMA QT, NeoPixel, LiPo charging with MAX17048, and CircuitPython support — $14.95.

[Details](https://openhardware.directory/devices/adafruit-esp32-c6-feather) | [Markdown](https://openhardware.directory/devices/adafruit-esp32-c6-feather/md)

## Adafruit HUZZAH ESP8266 Breakout

Breadboard-friendly ESP8266 WiFi breakout at 80 MHz with 802.11 b/g/n, 9 GPIO, 3.3V logic, 500mA regulator, and pre-loaded NodeMCU firmware — Adafruit's accessible entry point to ESP8266 development.

[Details](https://openhardware.directory/devices/adafruit-huzzah-esp8266) | [Markdown](https://openhardware.directory/devices/adafruit-huzzah-esp8266/md)

## Adafruit Feather HUZZAH ESP8266

All-in-one ESP8266 WiFi Feather board at 80 MHz with 802.11 b/g/n, USB-serial (CP2104), LiPo charging, 9 GPIO, and 4MB flash — the easiest way to add WiFi to a portable battery-powered project.

[Details](https://openhardware.directory/devices/adafruit-feather-huzzah-esp8266) | [Markdown](https://openhardware.directory/devices/adafruit-feather-huzzah-esp8266/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)

## Adafruit HUZZAH32 ESP32 Feather Board

Adafruit's Feather-format ESP32 board with dual-core Xtensa LX6 @ 240MHz, WiFi b/g/n, Bluetooth Classic + BLE 4.2, built-in LiPo charger, and Feather-compatible pin layout. Great all-around wireless IoT platform.

[Details](https://openhardware.directory/devices/adafruit-huzzah32-esp32-feather) | [Markdown](https://openhardware.directory/devices/adafruit-huzzah32-esp32-feather/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 Basic Core V2.7

Compact ESP32 IoT dev kit with 2.0" IPS LCD (320x240), 16MB flash, microSD, speaker, 110mAh battery, and three Grove ports in a stackable 54mm square enclosure.

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

## 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 ESP32-C3 Arduino Development Board

Ultra-compact RISC-V development board with ESP32-C3FN4, WiFi, BLE 5.0, integrated battery management, and USB-C — ideal for low-power IoT sensor nodes and wireless prototyping.

[Details](https://openhardware.directory/devices/heltec-esp32-c3) | [Markdown](https://openhardware.directory/devices/heltec-esp32-c3/md)