[LattePanda 2G/32GB] && GPS/GPRS/GSM module

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Re: [LattePanda 2G/32GB] && GPS/GPRS/GSM module

By Castellano Pasquale
-  Wed Sep 07, 2016 2:39 pm #9978
Hi Wendy.Hu,
thanks for your answer!
On the store, there aren't GPS/GPRS/GSM shield with the pinout compatible with the Arduino Leonardo embedded on the LattePanda board :( .
Today I purchased the GPS/GPRS/GSM shield SIM808. It could work on the Lattepanda board?

Thanks!
Pasquale

Re: [LattePanda 2G/32GB] && GPS/GPRS/GSM module

By Castellano Pasquale
-  Tue Sep 13, 2016 8:09 am #10007
Hi Wendy.Hu! :)
Thanks for your answers!
For space reasons,I would like to use only the Arduino Leonardo embedded on the LattePanda to connect the SIM808. If I use another Arduino Board I need to use an USB port (it is too precious and I wouldn't use it :D ). For work I need to use all the USB ports without any HUB usb.
Could I connect the SIM808 on the Arduino Leonardo using the Rx (pin 2) and Tx (pin 4) and the power?

Thanks!
Pasquale

Re: [LattePanda 2G/32GB] && GPS/GPRS/GSM module

By Castellano Pasquale
-  Wed Sep 21, 2016 8:17 am #10056
Hi Wendy.Hu!
It works in USB debug mode using AT commands!
Connection Scheme:
SIM808
Vin: +12V (external power)
GND

Lattepanda
LattePanda's GND connected with the SIM808's GND
D10,D11 (tx and rx pins) connected on rx and tx pins of the SIM808.

In the Arduino sketch I defined a SerialSoftware object on these pins: all the AT operations work like a charm :-)

Thanks for your support!
Pasquale
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