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Please Help me interfacing TM4C lauchpad with module Sim900A

Nam Nguyen60
Prodigy 65 points


Hello everyone,

I tried to make a application, connect my TM4C123G with module Sim900A,

But my code it does not work.

I used UART0 connect to my PC, UART1 connect to module Sim900A. 

I tried to make an application, I send a string from Terminal to UART0 -> UART0 send to UART1 (connect with sim900A) and I want to get responses from module Sim900A and display on the terminal.

I have no idea with this, it's not my major.

Someone could help me.

Thank you so much.