Folder - Xnode-Base
- Base Version (v15 from Kirill)
- No Internet Connection
Folder - Xnode-4G
- 4G Version (based on FRA version from Tu, modified by Kirill)
Debugging
-
The Problem
- UART_Send() is working
- UART_Receive() nothing received
-
The Solution
- Middle & Bottom Boards Replaced - not working
- Antenna Installed - related to signal strength
Code
- Phone number reading logic is modified. The limitation on the number of digits is removed.
- US: 10 digits
- SG: 8 digits
SD Card Config
- Phone number
- APN
- Server IP Address (MQTT Broker) - 8.214.19.225 - port 1883
Test
- check Test-4G-2023-11-22.txt