Basic AT Commands for SIM900A GSM/GPRS Module
#Nexample #Arduino #Engineering
Download putty
https://www.chiark.greenend.org.uk/~s...
AT To Check GSM MODULE
AT+CPIN? To Check The pin
AT+IPR=9600 To set the Baud Rate
AT&W To Save Baud Rate
AT+CGSN Request product serial
number identification
AT+CGMI Request manufacturer identification
AT+CGMM Request model identification
AT+CGMR Request revision identification
AT+CPAS Phone activity status
AT+CSQ Signal quality
AT+CMGF=1 To Set Message Format
AT+CMGS="Your Mobile Number" Request Message Sent
Type Your Message Press CTRL Z For Send
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