Search found 2 matches

by ZiTAL
Thu Nov 21, 2013 3:36 pm
Forum: Open Hardware
Topic: Arduino GPRS Shield SIM900 not working by software
Replies: 11
Views: 95981

Re: Arduino GPRS Shield SIM900 not working by software

Software Serial Selected
Use D7 and D8 of the
Arduino to communicate
by ZiTAL
Wed Nov 20, 2013 12:37 am
Forum: Open Hardware
Topic: Arduino GPRS Shield SIM900 not working by software
Replies: 11
Views: 95981

Arduino GPRS Shield SIM900 not working by software

Hi i have an Arduino GPRS Shield SIM900.

The shield works fine with hardware mode (PIN 0,1) but i can't put working with software mode (7/8).

I put the jumpers the right way and doen't works:

http://www.geeetech.com/wiki/images/1/14/GPRSComs.jpg


#include <SoftwareSerial.h>
#include <String.h ...