
Sonoff BasicR2
Smart Switch
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.

HeishaMon Communication PCB
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.

BigTreeTech ESP8266 WiFi Module
Wireless 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.

BigTreeTech BTT RRF WiFi V1.0 Module
Wireless 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.
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