Arduino MKR GSM 1400 is the latest of Arduino’s MKR series which combines MKR Zero and an inbuilt GSM module that support 3G and cellular Connectivity. In this tutorial, I will show you how you can make a robot that can be controlled using DTMF tones. Sponsor Link This Project is Sponsored by UTSource. UTSource … Continue reading Arduino DTMF Controlled Robot MKR GSM 1400 Tutorial