Smart waste bins
Eurosens LDS-GSM or Eurosens LDS-LoRa sensors are battery-powered waste level sensors with built-in radio transmitter.
Sensor is based on optical distance measurement principle, so have to be installed in the container upper cover.
Estimated battery live - 1 year.
Sensor sends data to server platform by MQTT protocol so it is compatible with most IOT platforms, including open-source projects (Thingsboard).