FONA Breakout Board GPS Geofencing Project Help

Projects Programming
1

Hi, I am using the code located on the page below. I haven't changed anything from the code, just trying to test out the hardware. I am using a FONA breakout board with the arduino uno. I am using the online compiler to upload the code to the board because I couldn't get the SoftwareSerial to work with my desktop IDE.

The attached picture is the printout I get when the code is uploaded. It prints the correct GPS location once (yay!) but then prints a bunch of characters.

When I asked the Adafruit people about it they directed me here saying that it was a "baud rate mismatch".

What should I do to fix this so it grabs the location every 5 seconds or so instead of having this mismatch?

Thanks!

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2

I see. Have you investigated the baud rate mismatch? What is the baud rate of the sketch and the baud rate of the FONA unit?

3

The technical document for the FONA board says that the RX & TX pins are "auto baud".

4

and which pins are "auto baud" on the UNO? if both ends don't have the same protocol, auto baud on one end is the sound of one hand clapping.

5

So this is Adafruit purchased product and their tutorial, that is not working together ?

6

Hello johnsp8.

What do your NMEA sentences look like?

John.

7

When you said it was like one handed clapping I went through the code and wherever it initialized the serial.output I changed it to match the board serial monitor setting. In my case 9600 worked.

I still don't understand what's up with the 'auto buad'

Thanks everyone!