This tutorial shows how to use the Arduino MKR GSM 1400's DTMF feature to have a direct interaction with your phone.
Sending Machine to Machine Commands with a Twilio SIM and an Arduino MKR GSM 1400.
by Christopher Konopka
How to play an MP3 file with Twilio Programmable Wireless, Go and the Arduino MKR GSM 1400.
A quick guide to help you get started building your first IoT project!
by Moheeb Zara
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