https://heltec.org/project/hri-3633/
Wireless Aggregator — Valve Controller – Heltec Automation
The Valve Controller is a LoRa/LoRaWAN device for outdoor applications, can be used to control pulse solenoid valves, pulse water meters, and flow meters,...
wireless aggregatorvalve
https://heltec.org/project/hri-3631/
Wireless Aggregator — Sensor Docker – Heltec Automation
HRI-3631 is a LoRa/LoRaWAN device for outdoor applications, It has a standard interface that can integrate most of the Heltec Fast Link series of sensors....
wireless aggregatorsensor