【英文】SIM800C指令学习笔记

Preface

SIM800C instruction learning notes sent through serial port

Get Connection Status

1
AT

Answer Call

1
ATA

Hang up Call

1
ATH

Make Call

18800000000: Target phone number

1
AT18800000000;

Send SMS

Switch to Text Mode

1
AT+CMGF=1

Set Target Phone Number

18800000000: Target phone number

1
AT+CMGS="18800000000"

Set Content

  • If the content is in Chinese, send the 4-digit unicode encoding
1
Text content

Confirm Send

  • Send 1A in hexadecimal format to confirm
1
1A

Receive SMS

  • After receiving the SMS number, check the received SMS content based on the number

<num>: Received SMS number

1
AT+CMGR=<num>

Completion

References

Bilibili - Arduino Electronic Design Store