LEW840X, OpenSource Multiple Network Gateways
Dra$ Ver 0.21 Mar. 2020
3. Firmware Development and Programming
LEW840X gateways is pre-loaded with WiFi+ELTE M (Optional) demonstration codes.
When connected to internet, LEW840X gateway sends temperature and humidity sensor data to Fanstel
MQTT server. You can use Fanstel MQTT PC tool or mobile APP to monitor data.
MQTT tool or MQTT APP<->MQTT broker <->LEW840F<->BLE Sensor
It is easier to test gateway and load firmware by removing gateway PCBA from enclosure.
Ethernet and WiFi
Check the Ethernet.
•
Connect UART_Bridge Board “TO WIFI(ESP)” into the JS1 of LEW840X PCBA.
•
Make sure the switch on Bridge board is turn o
ff
.
•
Connect micro USB to PC and open the teminal tool.
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