
Contributed to the arendst/Tasmota repository by delivering two core features over a two-month period, focusing on embedded systems and IoT development using C++ and Arduino. Upgraded the OpenTherm library to version 1.1.5, refactoring core components to expand HVAC command support and improve system maintainability. Later, integrated CO2 sensor support into the Zigbee device framework, introducing new attributes and measurement methods to enhance data accuracy and interoperability with existing sensors. Both features strengthened protocol handling and firmware robustness, with careful attention to code traceability and integration. No bugs were reported or fixed during this period, reflecting stable feature delivery.
January 2026: Delivered CO2 sensor integration for the Zigbee device framework in arendst/Tasmota, enhancing data accuracy and interoperability with existing sensors. Implemented new CO2 concentration attributes and measurement methods, and merged ongoing development with a bug fix to stabilize the feature. The update improves deployment reliability and positions the project for broader sensor coverage by strengthening Zigbee robustness and data reporting.
January 2026: Delivered CO2 sensor integration for the Zigbee device framework in arendst/Tasmota, enhancing data accuracy and interoperability with existing sensors. Implemented new CO2 concentration attributes and measurement methods, and merged ongoing development with a bug fix to stabilize the feature. The update improves deployment reliability and positions the project for broader sensor coverage by strengthening Zigbee robustness and data reporting.
July 2025 performance summary for arendst/Tasmota: Key feature delivered was the OpenTherm library upgrade to v1.1.5 with expanded command support, including core refactor to accommodate the library and enhanced HVAC control. Commit: 6080bdc472aa447b2301f22fe2e01a52f4136ac4 ('Latest opentherm (#23704)'). Major bugs fixed: none reported this month. Overall impact: improved HVAC interoperability and control fidelity, reduced maintenance risk, and ready for additional OpenTherm enhancements. Technologies/skills demonstrated: embedded firmware development (C/C++), library upgrade, OpenTherm protocol handling, code refactoring, and strong version control traceability.
July 2025 performance summary for arendst/Tasmota: Key feature delivered was the OpenTherm library upgrade to v1.1.5 with expanded command support, including core refactor to accommodate the library and enhanced HVAC control. Commit: 6080bdc472aa447b2301f22fe2e01a52f4136ac4 ('Latest opentherm (#23704)'). Major bugs fixed: none reported this month. Overall impact: improved HVAC interoperability and control fidelity, reduced maintenance risk, and ready for additional OpenTherm enhancements. Technologies/skills demonstrated: embedded firmware development (C/C++), library upgrade, OpenTherm protocol handling, code refactoring, and strong version control traceability.

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