Frequently Asked Question
Capture the serial port log and check whether the module frequently restarts when it is connected to the network. (Symptom: The TX serial port of the module detects garbled characters and sends the 00, 01, and 02 commands to restart the module.) During network connection, the module consumes more power. If the module frequently restarts, check whether there is 3.3 V 400 mA power supply.