Open Hardware Directory

Tensilica L106 single-core 80MHz · WiFi 802.11 b/g/n 2.4GHz · 2MB Flash · 4 GPIO

BlitzWolf BW-SHP15 is a compact Type-F EU smart plug with BL0937 power monitoring, 3680W capacity, and ESP8266 inside. Easily flashed with Tasmota or ESPHome for local smart home control.

Texas Instruments CC2652P ARM Cortex-M4 48MHz · 352KB Flash

The zig-a-zig-ah! (zzh!) CC2652P USB stick by Electrolama is an open-source Zigbee coordinator with a CC2652P chip, external antenna, and CH340C USB-to-UART bridge. Popular in the Zigbee2MQTT community.

RISC-V 32-bit single-core 160MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 5.0 LE · 4MB Flash · 13 GPIO

Compact ESP32-C3 SuperMini development board in a tiny footprint with native USB, RISC-V single-core processor, and Wi-Fi + Bluetooth 5.0 LE. Perfect for space-constrained IoT projects.

Tensilica L106 single-core 80MHz · WiFi 802.11 b/g/n 2.4GHz · 2MB Flash · 4 GPIO

Athom Smart Plug V2 ships pre-installed with ESPHome firmware, making it the easiest way to add a fully-integrated Home Assistant smart plug with power monitoring to your setup without any flashing.

Xtensa LX6 dual-core 240MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 4.2 BR/EDR + BLE · 4MB Flash · 16 GPIO

AI-Thinker ESP32-CAM module with OV2640 2MP camera, onboard microSD slot, and Wi-Fi. A low-cost camera solution popular for DIY security cameras, time-lapses, and computer vision projects.

Xtensa LX7 dual-core 240MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 5.0 LE · 8MB Flash · 45 GPIO

Official Espressif ESP32-S3-DevKitC-1 development board with USB OTG support, AI acceleration, and 45 programmable GPIOs. Ideal for AI-at-edge, HMI, and high-performance IoT applications.

Xtensa LX6 dual-core 240MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 4.2 BR/EDR + BLE · 4MB Flash · 38 GPIO

The ESP32-WROOM-32E is Espressif's workhorse Wi-Fi + Bluetooth module used in millions of IoT products worldwide. Features a PCB trace antenna, 4MB flash, and 38 GPIOs in a compact SMD package.

MediaTek MT3000 quad-core 1.3GHz · WiFi WiFi 6 (802.11ax) 2.4GHz + 5GHz · BLE 5.2 · 256MB NAND Flash

GL.iNet Beryl AX is a high-performance WiFi 6 travel router with MediaTek MT3000 chipset, 3000Mbps combined throughput, VPN client support, and OpenWrt. Perfect for secure travel networking.

Xtensa LX6 dual-core 240MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 4.2 BR/EDR + BLE · 4MB Flash · 38 GPIO

Official Espressif ESP32-DevKitC V4 development board featuring the ESP32-WROOM-32E module. A versatile and popular choice for IoT prototyping with dual-core processing and rich peripheral support.

MediaTek MT7628NN single-core 580MHz · WiFi 802.11 b/g/n 2.4GHz · 16MB NOR Flash

GL.iNet Mango is an ultra-compact OpenWrt mini router with MediaTek MT7628 chipset, 300Mbps Wi-Fi, a USB port, and VPN client support. The smallest and most affordable GL.iNet router.

Qualcomm IPQ6000 quad-core 1.2GHz · WiFi WiFi 6 (802.11ax) 2.4GHz + 5GHz · 256MB NAND Flash

GL.iNet Slate AX is a WiFi 6 travel router with Qualcomm IPQ6000 quad-core CPU, 1800Mbps throughput, USB-A 3.0, and a microSD slot. Excellent VPN performance for business travelers.

Xtensa LX7 dual-core 240MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 5.0 LE · 16MB Flash · 48 GPIO

ESP32-S3 handheld dev board with 2.8" IPS display, QWERTY keyboard, trackball, LoRa SX1262, GPS, microphone, speaker, and 2000mAh battery. Built for Meshtastic mesh networking and portable IoT applications.

Tensilica L106 single-core 80MHz · WiFi 802.11 b/g/n 2.4GHz · 2MB Flash · 4 GPIO

Nous A1T is a Type-F EU smart plug that ships with Tasmota pre-installed, featuring power monitoring via the BL0937 chip, a 16A relay, and direct Home Assistant integration without cloud dependency.

Tensilica L106 single-core 80MHz · WiFi 802.11 b/g/n 2.4GHz · 2MB Flash · 4 GPIO

Shelly 1 is a tiny ESP8266-based Wi-Fi relay module with a 16A switching capacity and dry contact input. It fits behind existing switches and works with ESPHome, Tasmota, and the Shelly cloud.

Xtensa LX7 dual-core 240MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 5.0 LE · 16MB Flash · 21 GPIO

LilyGO T-Display S3 with a built-in 1.9-inch 170x320 ST7789V LCD, ESP32-S3 dual-core processor, USB-C, and LiPo battery connector. Ideal for portable IoT dashboards and wearable displays.

Tensilica L106 single-core 80MHz · WiFi 802.11 b/g/n 2.4GHz · 2MB Flash · 6 GPIO

Shelly 2.5 is a dual-relay ESP8266 module with built-in power monitoring and roller shutter control mode. Controls two independent circuits or one motorized blind/roller shutter.

Xtensa LX6 dual-core 240MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 4.2 BLE · 4MB Flash · 4 GPIO

Shelly Plus 1 is an upgraded ESP32-based Wi-Fi smart relay with 16A capacity, Bluetooth, local scripting via Mongoose OS, and improved reliability over the original Shelly 1.

STM32F030 (dimmer) + ESP8266 (Wi-Fi) · WiFi 802.11 b/g/n 2.4GHz · 2MB Flash · 4 GPIO

Shelly Dimmer 2 is a Wi-Fi smart dimmer module for leading/trailing edge dimming of incandescent, halogen, and dimmable LED lights up to 250W, with built-in power monitoring.

CC2652P (Zigbee) + ESP32 (network bridge) · WiFi 802.11 b/g/n 2.4GHz · CC2652P: 352KB + ESP32: 4MB Flash · 4 GPIO

SMLIGHT SLZB-06 is a network-connected Zigbee coordinator supporting both PoE Ethernet and Wi-Fi. Based on CC2652P + ESP32, it enables remote Zigbee coordination over TCP/IP for distributed home automation setups.

RISC-V 32-bit single-core 160MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 5.0 LE · 4MB Flash · 4 GPIO

SONOFF BASICR4 is a compact ESP32-C3 based Wi-Fi smart switch for in-wall or in-line installation. Supports 10A load, local control, and is compatible with eWeLink, ESPHome, and Tasmota.

RISC-V 32-bit single-core 160MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 5.0 LE · 4MB Flash · 4 GPIO

SONOFF MINIR4 Extreme is the world's smallest smart switch with a 16A relay, ESP32-C3 inside, and support for both two-way and momentary switch wiring. Fits in almost any wall box.

Xtensa LX6 dual-core 240MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 4.2 BR/EDR + BLE · 4MB Flash · 6 GPIO

SONOFF POW R3 is a 25A high-power Wi-Fi smart switch with real-time power monitoring, energy statistics, and overload protection. Based on ESP32 for full Tasmota and ESPHome compatibility.

Texas Instruments CC2652P ARM Cortex-M4 48MHz · 352KB Flash

SONOFF Zigbee 3.0 USB Dongle Plus-P is a CC2652P-based Zigbee USB coordinator with an external antenna, ideal for use with Zigbee2MQTT and ZHA in Home Assistant for large Zigbee networks.

Xtensa LX6 dual-core 240MHz · WiFi 802.11 b/g/n 2.4GHz · BLE 4.2 BR/EDR + BLE · 4MB Flash · 6 GPIO

SONOFF TH Elite is an ESP32-based smart switch with temperature and humidity monitoring, a large LCD display, and support for external sensors. Ideal for HVAC control and climate automation.

Tensilica L106 single-core 80MHz · WiFi 802.11 b/g/n 2.4GHz · 1MB Flash · 3 GPIO

Teckin SP10 is a compact US Type-A Wi-Fi smart plug with a 15A relay, based on the Tuya platform with an ESP8266 inside. Supports Tasmota flashing for local control and energy monitoring.

Silicon Labs EFR32MG21 ARM Cortex-M33 80MHz · BLE 5.2 (via EFR32MG21) · 1024KB Flash

Tube's Zigbee EFR32 coordinator is a Silicon Labs EFR32MG21-based USB Zigbee coordinator with PoE Ethernet and external antenna support. Known for excellent range and stability in large Zigbee networks.