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Arduino MKR GSM 1400 and DTMF

This tutorial shows how to use the Arduino MKR GSM 1400's DTMF feature to have a direct interaction with your phone.

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Arduino MKR GSM 1400 and DTMF

Things used in this project

Hardware components

Arduino MKR GSM 1400
Arduino MKR GSM 1400
×1
3.7 V LiPo Battery
×1
NeoPixel Ring: WS2812 5050 RGB LED
Adafruit NeoPixel Ring: WS2812 5050 RGB LED
×1
Resistor 10k ohm
Resistor 10k ohm
×2
onsemi 2N7000
×1
Breadboard (generic)
Breadboard (generic)
×1
Jumper wires (generic)
Jumper wires (generic)
×1

Software apps and online services

Arduino IDE
Arduino IDE
Arduino Web Editor
Arduino Web Editor

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Schematics

HW connections

Code

Arduino MKR GSM 1400 and DTMF

Credits

Arduino_Genuino

Arduino_Genuino

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