The flow meter read teh flow data, and connected the LoRa RF Module LoRa611Pro via serial port. LoRa611Protransmit the flow data to the receiver LoRa

LoRa module LoRa1278 applied to anti-drowning alarm, The Anti-drowning alarm system consists oftransmitter module(Detector) and receiver module.

NiceRF: How the BLE module RF2541 PL2 is applied to the Bluetooth vibration project

NiceRF: Remote control wireless switch module SK509 to control railway alarm.

LoRaWAN is a set of communication protocol and system architecture designed for LoRa long-distance communication network. A LoRaWAN network architecture includes four parts: node, gateway, and Raspberry Pi. Among them, the nodes are generally controlled by sensors or switches to realize remote sensor data collection or switch control applications.