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Guide to SIM900 GSM GPRS Shield with Arduino

Q&A Forum › Category: Other › Guide to SIM900 GSM GPRS Shield with Arduino
0 Vote Up Vote Down
Anders Gårdö asked 6 years ago

I am trying to follow the blog to send text but have run into an unexpected problem. The breakout bord that I bought has unmarked pins and I can not find any description on the internet. Can anone give me help with tyhis? Picture: https://ae01.alicdn.com/kf/HTB1fDP8JVXXXXctXFXXq6xXFXXXt/220871072/HTB1fDP8JVXXXXctXFXXq6xXFXXXt.jpg

Question Tags: Neoway M590E
3 Answers
0 Vote Up Vote Down
Sara Santos Staff answered 6 years ago

Hi Anders.
I’m not familiar with that board.
But after a bit of research I’ve found the following boards with the M590E that may help:

  • https://s019.radikal.ru/i629/1601/81/fbb412a54cbe.jpg
  • https://cdn.instructables.com/FBJ/7DD0/IZ6DDFSQ/FBJ7DD0IZ6DDFSQ.LARGE.jpg

If none of these match your board, I recommend taking a look at the M590E chip pinout, and then, with a multimeter in continuity mode try to figure out where each header pin is connected to.

I hope this helps.
Regards,
Sara

0 Vote Up Vote Down
Anders Gårdö answered 6 years ago

Hi
No, nothing of this helps, but I´ll make a try with the multimeter. The pinout on the drawing you posted is not the right one but I will try to find one on the net, that cant be too difficult

0 Vote Up Vote Down
Sara Santos Staff answered 6 years ago

Ok. Let me know if you need anything else.
Regards,
Sara

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