Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

problem with sim900A

Status
Not open for further replies.

Ammy Rao

Junior Member level 1
Joined
May 4, 2013
Messages
17
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,281
Activity points
1,403
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 have problem with sim 900a c+pin error can u help me how to clear the issues
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top