Hi everyone! I’m experimenting with OpenMQTTGateway and want to feed it simple ultrasonic distance readings from an ESP32 so I can trigger automations or alerts. I followed this tutorial on using an HC-SR04 ultrasonic sensor with ESP32 to send distance measurements via Wi-Fi, which gave me the basic structure of sensor → payload → publish:
https://www.theengineeringprojects.com/2018/10/introduction-to-hc-sr04-ultrasonic-sensor.html
I’ve also looked at community examples where OpenMQTTGateway ingests BLE and infrared sensors, and a GitHub project showing how to bridge sensor modules via ESPHome to MQTT. Does anyone here have experience sending HC-SR04 data via OpenMQTTGateway and then using it for Home Automation flows or alerts? What configuration tweaks or formatting tips worked best for you?