Jul 22, 2025 Replies: 6 Hi All, to share my, work in progress, GitHub repository Home Assistant Workbook Experiments. Hawe (short for Home Assistant Workbook Experiments) is an open, hands-on learning project designed to explore and experiment with micro-controllers and connected components — with a focus on learning MicroPython, B4R, and integrating with Home Assistant. Started experimenting with the Raspberry Pi Pico & MicroPython, now developing some experiments with ESP32 and B4R. Thank You, Rob Click to expand...
Hi All, to share my, work in progress, GitHub repository Home Assistant Workbook Experiments. Hawe (short for Home Assistant Workbook Experiments) is an open, hands-on learning project designed to explore and experiment with micro-controllers and connected components — with a focus on learning MicroPython, B4R, and integrating with Home Assistant. Started experimenting with the Raspberry Pi Pico & MicroPython, now developing some experiments with ESP32 and B4R. Thank You, Rob
Cableguy Expert Licensed User Longtime User Jul 22, 2025 #2 Can I assume that you have successfully integrated a B4R device into Home Assistant? That is HUGE!
rwblinn Well-Known Member Licensed User Longtime User Jul 22, 2025 #3 Cableguy said: Can I assume that you have successfully integrated a B4R device into Home Assistant? That is HUGE! Click to expand... YES indeed using MQTT Discovery. Has been tedious to understand, but once clear, easy to integrate a device. A funny one currently in progress is to control a LEGO® Train. ESP-WROOM-32 & B4R > MQTT Discovery Config Messages (at ESP boot). Home Assistant Entities > MQTT Control message > ESP-WROOM-32 & B4R > IR Transmitter > LEGO® PF IR Receiver > LEGO® PF Train Motor. EDIT: LEGO® train first version ready = See Post #5. Last edited: Jul 23, 2025
Cableguy said: Can I assume that you have successfully integrated a B4R device into Home Assistant? That is HUGE! Click to expand... YES indeed using MQTT Discovery. Has been tedious to understand, but once clear, easy to integrate a device. A funny one currently in progress is to control a LEGO® Train. ESP-WROOM-32 & B4R > MQTT Discovery Config Messages (at ESP boot). Home Assistant Entities > MQTT Control message > ESP-WROOM-32 & B4R > IR Transmitter > LEGO® PF IR Receiver > LEGO® PF Train Motor. EDIT: LEGO® train first version ready = See Post #5.
Cableguy Expert Licensed User Longtime User Jul 22, 2025 #4 Please please please, do share a video of the final result, including HA dashboard... what a great post it will be for our FaceBook group!!! I could even spread it thought some HA group I lurk!
Please please please, do share a video of the final result, including HA dashboard... what a great post it will be for our FaceBook group!!! I could even spread it thought some HA group I lurk!
rwblinn Well-Known Member Licensed User Longtime User Jul 23, 2025 #5 Update 20250723 NEW: B4R Lego Train - control a LEGO® train with Power Functions motor, lights & IR receiver. Note: I am not using Facebook but feel free to share. Short video train in action (needs to be downloaded). Prototype Home Assistant Lovelace Dashboard Last edited: Jul 24, 2025
Update 20250723 NEW: B4R Lego Train - control a LEGO® train with Power Functions motor, lights & IR receiver. Note: I am not using Facebook but feel free to share. Short video train in action (needs to be downloaded). Prototype Home Assistant Lovelace Dashboard
rwblinn Well-Known Member Licensed User Longtime User Jul 24, 2025 #7 Cableguy said: Any chance of having a small video ? Click to expand... Created a very short video (needs to be downloaded) = bit hard driving but anyhow it shows the train is moving ... Have also updated the B4R code - improved boot MQTT discovery topics handling, headlight on after boot OK, and some more. Now up to the next Hawe Experiment ...
Cableguy said: Any chance of having a small video ? Click to expand... Created a very short video (needs to be downloaded) = bit hard driving but anyhow it shows the train is moving ... Have also updated the B4R code - improved boot MQTT discovery topics handling, headlight on after boot OK, and some more. Now up to the next Hawe Experiment ...
