This user joined on 02/25/2020.
Things I've Built
Lora Gateway (Design PCB and Code for ESP32)
+ Connect to PLC via Modbus RTU to read data and setting request from server send to device via MQTT. + This device can connect to internet via ethernet cable. + Communicate with another board via Lora Network. + 7 DO and 7 DI to control.
3G Gateway (Design PCB and Code for ESP32)
+ Connect to PLC via Modbus RTU to read data and setting request from server send to device via MQTT. + This device can connect to internet via 3G or ethernet. + DO to control external device.
Lutetium