Ammy Rao
Junior Member level 1
hello
i m using a sim900A module with lcd and AT89s51
the data transmission between the mcu and sim900 is working but when i send "AT" it returns a 5X7 matrix as response
i dont know where the problem is
any at command i send it just return a 5X7 matrix as response on the lcd...
please anybody help me....i need to make it work urgent
i m using a sim900A module with lcd and AT89s51
the data transmission between the mcu and sim900 is working but when i send "AT" it returns a 5X7 matrix as response
i dont know where the problem is
any at command i send it just return a 5X7 matrix as response on the lcd...
please anybody help me....i need to make it work urgent