Arduino IoT Project – Remote Control a LED

we’ll learn how to use Arduino turn on/off a LED through Cayenne IOT platform.This project needs to connect Arduino to Cayenne IOT platform firstly, to learn how to setup arduino
ORIGINAL POST
By osoyooproduct
components
Hardware Components
Arduino UNO
X 1
Ethernet Shield W5100
X 1
USB cable
X 1
LED
X 1
200 ohm resistor
X 1
Software Apps and online services
arduino
This project needs to connect Arduino to Cayenne IOT platform firstly, to learn how to setup arduino
details

FUMDBM6J8QGEYVS.LARGE.jpg

Step 1: Circuit Graph:

Connect Uno board with W5100 Ethernet shield, then wire the LED and resistor as per circuit graph

Step 2:


Login Cayenne platform https://mydevices.com/ and add new device as following step:

Select”Add new…”-> Click Device/Widget”, Click: Actuators–>Light, choose Light Switch

Step 3: Set Attributes
Widget Name: Give your actuator a name

Select Device: Select your Arduino device, this lesson we using UNO, so choose Arduino UNO. Connectivity: Select your method of connectivity: There are Digital pins, Analog Pins and Cayenne Virtual Pins. Analog: If you’re reading data from an analog sensor, the Arduino may have several analog inputs that can be used. Simply connect your analog sensor to one of the analog pins on the Arduino. Make sure you select the correct corresponding pin when adding a widget for your analog sensor.

Digital A digital pin can be used to read data from a non-analog sensor, but the data will need to be written to a virtual channel. If you’re trying to read data from a non-analog sensor, you’ll most likely use a virtual pin.

Virtual:Virtual (http://www.cayenne-mydevices.com/CayenneStaging/do…) pins are channels to send and receive different data types from and to the Arduino (e.g. SPI, I2C, 1-Wire and devices connected to Arduino expansion boards). There are 26 virtual pins available for each Arduino board.

For more information about Analog or Virtual pins, please visit: https://mydevices.com/cayenne/docs/#sketch-files-…

This lesson we select Digital Pins D3.

Step 4: Software


Then Click “Step 1: Sketh file”. the sample code will display. copy and paste the sketch file into your Arduino IDE

, Choose the Board type Arduino Uno and correct Port, and upload the sketch into Uno board.

Go to Cayenne dashboard, you can click “Step 2: Add Actuator”

Then the LED widget will be added to your dashboard. You can turn on/off by clicking on the icon at the right of the LED widget.

At the same time, you can remote to control the LED from your smart phone.

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