issue with GSM and arduino

#1

I have connected GSM SIM800L to arduino serial pins but it is not getting connected to network.

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#2

Hi varun,

Just check the power supply for the SIM800L,your arduino pins doesn’t produce that much current rating which sim800l requires,you have to connect 2A power supply to sim800l and common grounding is must for both arduino and sim800l then it would connect to the network.

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