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Topic: Problem using the GSM shield 900  (Read 145 times) previous topic - next topic


I need help with the arduino sim 900 shield,I have tried all the possible connections and I codes I only get infinite question marks or unreadable characters in the serial monitor.
I am in Ghana,can anyone help me?


post your sketch here ,

post up a drawing/image showing how you connected the shield ( not fritzing diagrams)

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