/*
Version: V1.0
Author: Vincent
Create Date: 2024/5/17
*/
- Controller: ESP32-S3
- Wireless: WiFi& Bluetooth 5.0
- Arduino support
- MicroPython support: Yes
- Operation temperature: -40℃ to +85℃
- USB: USB Native, Type-C
- Power Supply: USB Type-C 5.0V(4.0V~5.25V); 3.7V Lipo battery
- 4G LTE CAT1: SIM7670G
All supporting information, such as the AT instructions and other official documents are in the A76XX Manual.zip.
- Use type-c use cable connect USB-TTL to PC.
- Select "ESP32-S3 DEV Module"
- Select PSRAM "OPI PSRAM"
at_command_demo.ino
Serial port transparent transmission demo. Can be used to test AT Commands.
Query signal quality
AT+CSQ
+CSQ: 28,99
OK
Example Query module information
AT+SIMCOMATI
Manufacturer: SIMCOM INCORPORATED
Model: SIM7670G-MNGV
Revision: 2360B01SIM767XM5A_M
SIM767XM5A_B01V03_231207
IMEI: 864643060027879
OK
Operator selection
AT+COPS?
+COPS: 0,2,"46000",7
OK
Read ICCID from SIM card
AT+CICCID
+ICCID: 898607E0102250030751
OK
Read the voltage value of the power supply
AT+CBC
+CBC: 4.167V
OK
AT+CLBS=?
AT+SIMCOMATI
AT+SIMEI=xxxxx
AT+CLBS=2
AT+CLBS=1
SIM7670G does not support VoLTE function, no PCM interface audio on board.
AT+CIPMODE=1
AT+NETOPEN
AT+CIPOPEN=0,"TCP","122.114.122.174",39348
Hi,Makerfabs
AT+CIPCLOSE=0
AT+NETCLOSE
AT+CLBS=?
AT+SIMCOMATI
AT+SIMEI=xxxxx
AT+CLBS=2
AT+CLBS=1
AT+HTTPINIT
AT+HTTPPARA="URL","http:www.makerfabs.com"
AT+HTTPACTION=0
AT+HTTPHEAD
AT+HTTPREAD=0,500
AT+HTTPTERM
AT+CMQTTSTART
AT+CMQTTACCQ=0,"client test0"
AT+CMQTTWILLTOPIC=0,10
AT+CMQTTWILLMSG=0,6,1
AT+CMQTTCONNECT=0,"tcp://test.mosquitto.org:1883",60,1
AT+CMQTTSUB=0,9,1
AT+CMQTTTOPIC=0,9
AT+CMQTTPAYLOAD=0,60
AT+DIALMODE=0
AT$MYCONFIG="usbnetmode",0