rvdbreemen

rvdbreemen/OTGW-firmware

A ESP8266 devkit firmware for the Nodoshop version of the Opentherm Gateway (OTGW)

157 stars 36 forks 157 watchers C++ MIT License
esp8266 home-assistant home-automation homeassistant mqtt opentherm-firmware opentherm-gateway otgw otgw-firmware
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1 Open Issue Need Help Last updated: Nov 16, 2025

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Home Assistant OpenTherm Gateway Integration Failed to Connect 3 months ago
good first issue question
rvdbreemen/OTGW-firmware
157

A ESP8266 devkit firmware for the Nodoshop version of the Opentherm Gateway (OTGW)

C++
#esp8266#home-assistant#home-automation#homeassistant#mqtt#opentherm-firmware#opentherm-gateway#otgw#otgw-firmware