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optolink
Here are 14 public repositories matching this topic...
Communicate with Viessmann boilers using the optolink for ESP8266 and ESP32
iot arduino esp8266 serial communication esp32 arduino-library heating heating-control viessmann optolink
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Jul 16, 2026 - C++
🔥 ViessData 2.1 Wiki
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Feb 22, 2026
Vissmann boiler logger via DIY OptoLink interface.
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Jul 31, 2020 - C++
Open source interface between a Viessmann device (heat pump, gas heater, etc) and MQTT
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Jul 20, 2026 - Python
An ESPHome external component for Viessmann heating controllers over the Optolink interface.
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Jul 21, 2026 - C++
A Rust-based MQTT bridge for vcontrold
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Jul 15, 2026 - Rust
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