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

Wemos D1 Mini (ESP8266)

Dev Board
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.

ESP8266EX80KB SRAM4MB11 digital + 1 analog GPIOWiFi 802.11 b/g/nBLE none

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

Adafruit HUZZAH ESP8266 Breakout

Dev Board
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.

ESP8266 Tensilica L106 @ 80 MHz80 KB4MBWiFi 802.11 b/g/n
~$10View

Adafruit Feather HUZZAH ESP8266

Dev Board
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.

ESP8266 Tensilica L106 @ 80 MHz80 KB4MBWiFi 802.11 b/g/n
~$15View

Adafruit MagTag

Dev Board
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, a

Xtensa LX7 single-core @ 240MHz (ESP32-S2)320 KB SRAM4MBWiFi 802.11 b/g/n (ESP32-S2 native)
~$35View

BigTreeTech ESP8266 WiFi Module

Wireless Module
BigTreeTech ESP8266 WiFi Module

ESP8266-based WiFi transceiver expansion module for BTT 3D printer control boards. Available in ESP12S and ESP-07 variants, enabling wireless connectivity and remote control via serial UART.

ESP826680KB4MBWiFi 802.11 b/g/n 2.4GHz
~$10View

BigTreeTech BTT RRF WiFi V1.0 Module

Wireless Module
BigTreeTech BTT RRF WiFi V1.0 Module

ESP8266-based WiFi expansion module for RepRapFirmware (Duet-style) boards. Adds wireless connectivity to BTT SKR V1.3, SKR V1.4 Turbo, and compatible boards running RRF or Marlin firmware.

ESP8266 ESP-07S80KB4MBWiFi 802.11 b/g/n 2.4GHz
~$15View

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

BigTreeTech Rodent V1.0

Cnc Controller
BigTreeTech Rodent V1.0

ESP32-based CNC controller board co-developed with RatRig, featuring 4x TMC2160 drivers (up to 56V/4.7A RMS), FluidNC firmware, WiFi, RS-485, CAN, USB-C, and OLED display support for engraving machine

ESP32-D0WD-V3 dual-core520KB4MBWiFi 802.11 b/g/n 2.4GHz 150Mbps
~$56View

BigTreeTech Scylla V1.0

Cnc Controller
BigTreeTech Scylla V1.0

STM32H723-based CNC engraving machine control board with 4x TMC2160 drivers (24-56V/4.7A RMS), RepRapFirmware support, ESP32 WiFi, USB-C, RS-485, CAN bus, VFD spindle control, and relay output.

STM32H723VGT6564KB1MB (internal)MicroSDWiFi 802.11 b/g/n via onboard ESP32 module header
~$88View

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More to explore — popular traits shared by devices with Bus Interfaces: WiFi 802.11 b/g/n.