I from Argentina for last two years i living in Lima Perú. I think mi USB board is different. Can you check? I uploaded photo but I don't see rxi only a RX and no txo only TX , this board is compatible for this job? Thanks for you help.My comms error was caused by TX on wifi going to TXO on USB board when it should got to RXI . Also Tx on wifi should go to RXI on usb board.
Look carefully at the diagram. A basic serial comms error which I should not have done.
I only remembered this today after looking again at instructions. Hope it helps and good luck.
I have attached a diagram to show what I mean with the arrows showing the direction of the data to and from the boards.
Where are you by the way ?
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