I wanted to share my positive experience integrating the Sonoff B1 RGB-CW bulb with OpenHAB. After some research and experimentation, I managed to get everything working seamlessly. Here’s how I did it and what I learned along the way.First, I flashed the bulb with Sonoff-Tasmota firmware, which provided the necessary MQTT support. Setting up the bulb was straightforward—just connect it to my WiFi network and MQTT server. The real magic happened when I started configuring OpenHAB to handle the bulb’s features.The Sonoff B1 offers a wide range of color and brightness options, which I wanted to fully utilize. I created items for power control, dimming, color selection, and color temperature adjustment. The integration involved parsing the bulb’s color output string (in the format RRGGBBCCWW) and converting it into a format OpenHAB can understand. This required some rule scripting, but it was manageable even for someone with limited programming experience.One thing I particularly liked is how the bulb handles power outages. It remembers the last state and resumes seamlessly when power is restored. This feature alone makes it a reliable addition to my smart home setup.For anyone looking to integrate the Sonoff B1 into OpenHAB, here are a few tips:- Familiarize yourself with MQTT and JSONPATH transformations, as they are crucial for this integration.- Take your time to test each command and ensure it works as expected before finalizing your rules.- Don’t hesitate to explore the bulb’s advanced features, such as fade effects and wake-up lighting—they add a nice touch to the overall experience.Overall, this project has been incredibly rewarding. It not only enhanced my home automation setup but also deepened my understanding of MQTT and OpenHAB’s capabilities. I’m excited to explore more advanced integrations in the future!