Drive the relays of the MKR Relay Shield connected to a MKR GSM 1400 with an SMS.
Project tutorial by Arduino_Genuino
Use an Arduino MKR GSM 1400 and a Blynk app to control the two relays of the MKR Relay Proto Shield.
Set an alarm with MKR1000 and MKR Relay Proto Shield to turn a lamp on/off.
Project tutorial by David Escobar
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