LoRa Node 151 Pingpong test
Prepare
Download LoRa Node 151 pingpong example: pingpong_CDC.
Download firmware to LoRa Node 151, Please refer to Download firmware.
Start test
After downloading the firmware correctly, connect the development board to the computer and open the serial port.

After opening the serial port, some parameters will be configured. If you do not configure them, the default parameters will be selected.
Configure Frequency Band

Configure Spreading Factor

Configure Coding Rate

Configure Output Power

When the configuration is complete, the node will enter a wait state.

Then configure another Lora node 151 node in the same way. After configuration, the two nodes will enter the pingpong test.

Tip
The frequency band and the spreading factor need to be configured with the same parameters, otherwise they will not be able to communicate.