1. Johannes Bader had many followers for his Raspberry Pi Ant+ who asked questions.

2. Reto Roelli has also followers for his Raspberry Pi Ant+ which sensor data to an MQTT broker, who asked questions.

3. What is about balenaHealth. Does it work?

Balena Health: Raspberry Pi project which sends Polar 10 Bluetooth Low Energy sensor data to MQTT, InfluxDB & balenaCloud