at commands | Microcontroller › 8051 › at commands This topic has 2 replies, 2 voices, and was last updated 11 years, 3 months ago by Mehtab Ali. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts March 3, 2012 at 5:56 pm #1612 Mehtab AliParticipant if keypad is interfaced with microntroller than is it possible to give AT commands to gsm directly through microcontroller without using hyperterminal. March 6, 2012 at 6:22 am #7260 phanindra nathParticipant if it is a numeric keypad then you should write your program in such a way that, whenever ‘1’ key is pressed “AT” command is sent , whenever ‘2’ key is pressed “AT+CMGF=1” is sent ….like this you should write your program. March 6, 2012 at 9:44 am #7261 Mehtab AliParticipant ok, thankyou Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In