Control Two Relays with an SMS

Drive the relays of the MKR Relay Shield connected to a MKR GSM 1400 with an SMS.

Dec 25, 2018

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Components and supplies

2

LED (generic)

1

Arduino MKR Relay Proto Shield

2

Resistor 220 ohm

1

Jumper wires (generic)

1

Arduino MKR GSM 1400

1

Breadboard (generic)

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