Control Two Relays Over the Internet

Use an Arduino MKR GSM 1400 and a Blynk app to control the two relays of the MKR Relay Proto Shield.

Dec 19, 2018

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Components and supplies

1

Arduino MKR GSM 1400

1

Arduino MKR Relay Proto Shield

1

Jumper wires (generic)

2

Resistor 220 ohm

1

Breadboard (generic)

2

LED (generic)

Project description

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