Adafruit Feather 32u4 FONA

by lady ada

published February 10, 2016, last edited March 08, 2024

posted in Adafruit Products Internet of Things - IOT/ Wireless Feather/ Feather Boards

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39

Intermediate

Product guide

FONA Test

Download Adafruit_FONA

To begin reading sensor data, you will need to download the Adafruit_FONA Library from the Arduino library manager.

Open up the Arduino library manager:

Search for the Adafruit FONA library and install it

We also have a great tutorial on Arduino library installation at:
http://learn.adafruit.com/adafruit-all-about-arduino-libraries-install-use

Wire up and Power!

Insert a micro SIM, attach a GSM antenna, then connect battery and micro USB

Load Demo

Open up File->Examples->Adafruit_FONA->FONAtest

Don't upload the sketch yet!

You'll need to make a simple change to the sketch. At the top find these lines:

Copy Code

#include "Adafruit_FONA.h"

#define FONA_RX 2
#define FONA_TX 3
#define FONA_RST 4

#include "Adafruit_FONA.h"

#define FONA_RX 2
#define FONA_TX 3
#define FONA_RST 4

and change them to:

Copy Code

#define FONA_RX  9
#define FONA_TX  8
#define FONA_RST 4
#define FONA_RI  7

#define FONA_RX  9
#define FONA_TX  8
#define FONA_RST 4
#define FONA_RI  7

Once uploaded to your Arduino, open up the serial console at 115200 baud speed to begin the tester sketch

Make sure you also have Both NL & CR for the serial command sender option. This means when you send data to the Arduino via the console, it will put a newline/return at the end.

Using the Test Sketch

The test sketch has a menu interface so you can test out just about everything the FONA can do. The menu may change slightly as we add more functionality and update code!

Continue onto the next few sections to see what functionality you can test with the sketch

Page last edited March 08, 2024

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