MQTT

14 devices

Products with MQTT protocol support for IoT sensor data and smart home automation.

LILYGO T-Lite W5500

ESP32
LILYGO T-Lite W5500

Ultra-compact ESP32 development board with W5500 SPI Ethernet, 0.96" OLED display, Wi-Fi, Bluetooth 4.2, and USB-C. Only 29.5×23mm for embedded IoT gateway projects.

ESP32520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2Ethernet 10/100 Mbps W5500
~$11View

Prokyber AI-on-the-Edge-Cam

Dev Board
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.

ESP32-S3-N16R8512KB SRAM16MB6 GPIOWiFi 802.11 b/g/nBLE BLE 5.0Zigbee falseEthernet 10/100 Mbps PoE
~$33View

FaikOut WiFi Aircon Controller

IoT Controller
FaikOut WiFi Aircon Controller

Open-source ESP32-S3 WiFi controller for Daikin air conditioners with local-only control via MQTT and Home Assistant. Replaces cloud-dependent Daikin WiFi modules with privacy-first, no-internet-requi

ESP32-S3-PICO-1 Xtensa LX7 dual-core @ 240MHz512KB SRAM8MBWiFi 802.11 b/g/nBLE BLE 5.0
~$42View

HeishaMon Communication PCB

Communication Pcb
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.

ESP8266EX80KB4MBWiFi 802.11 b/g/nEthernet 10/100 Mbps (W5500, large board only)
~$20View

Shelly Plus 1

Relay Module
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.

ESP32-C3400KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 5.0
~$12View

Sonoff NSPanel

Smart Switch
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 integ

ESP32-D0WDQ6520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$50View

Sonoff MINIR4 Extreme

Relay Module
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.

ESP32-C3400KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 5.0
~$10View

Shelly Plus 2PM

Relay Module
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 ligh

ESP32520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$22View

Sonoff POW Elite 16A

Relay Module
Sonoff POW Elite 16A

ESP32-based WiFi smart switch with high-accuracy power monitoring via CSE7766, 16A relay, LCD display, and DIN-rail mounting. Flashable with Tasmota for local energy tracking and home automation.

ESP32520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$20View

Sonoff Dual R3

Relay Module
Sonoff Dual R3

ESP32-based dual-relay WiFi smart switch with per-channel power monitoring, roller shutter mode, and 2×10A outputs. Ideal for motorized blinds with Tasmota shutter calibration and position tracking.

ESP32520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2
~$15View

Sonoff Zigbee Bridge Pro

gateway
Sonoff Zigbee Bridge Pro

ESP32-based Zigbee-to-WiFi gateway with CC2652P coordinator chip supporting 128 Zigbee devices. Flashable with Tasmota for local Zigbee bridge operation with Home Assistant via MQTT.

ESP32 + CC2652P520KB SRAM4MBWiFi 802.11 b/g/nBLE BLE 4.2Zigbee Zigbee 3.0
~$20View

Olimex ESP32-POE

Dev Board
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.

ESP32-WROOM-32520KB SRAM4MB20+ GPIOWiFi 802.11 b/g/nBLE BLE 4.2Ethernet 100Mbps (LAN8710A)
~$25View

Heltec Sufficient IoT Hub

SBC
Heltec Sufficient IoT Hub

Linux-based IoT hub with Allwinner T113-S3 dual-core ARM Cortex-A7 SoC, LoRa (SX1262), WiFi, Ethernet, and optional LTE. Runs Debian 10 with a dedicated IoT OS, CLI, and web UI for no-code device mana

Allwinner T113-S3128 MB DDR3SD 3.0 (8GB/16GB)WiFi 802.11b/g/nEthernet 10/100 Mbps
~$34View

BigTreeTech Panda PWR

Power Module
BigTreeTech Panda PWR

Intelligent power management module with ESP8684 MCU, 4MB flash, 2.4GHz WiFi, and dual USB outputs. Enables remote power control, consumption monitoring, countdown shutdown, and Home Assistant integra

ESP8684-MINI-1-H4272KB4MBWiFi 802.11 b/g/n 2.4GHz
~$39View

Get notified when new devices are added.

More to explore — popular traits shared by devices with Bus Interfaces: MQTT.