Ameba Arduino: [RTL8195AM] [RTL8710AF] Access IFTTT via Ameba

Introduction to IFTTT

IFTTT, known as If This Then That, is a website and mobile app and free web-based service to create the applets, or the chains of simple conditional statements. The applet is triggered by changes that occur within other web services such as Gmail, Facebook, Telegram, Instagram, Pinterest etc.

Preparation

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*Note: Upon log in, there are several cloud and online services that are integrated with IFTTT platforms.

Example

  • Generate Applet from IFTTT

In next, we obtain an example of IFTTT Applet to send email to specified recipient.

To run the example, HTTP POST feature of the ameba is used to post a simple webhook service that is received by IFTTT Platform and in turn be used to trigger a response (sending an email).

After logging in https://ifttt.com/, click My Applets from Top

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Click “New Applet” on the Applet page.

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Click +this as indicated below to add the trigger

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Choose “Webhooks” service as shown below. Alternatively, search the service under Choose a Service

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Then, the available triggers will appear under service. So far, only one Trigger, Receive a web request, is under Webhooks.

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Once Receive a web request is selected, an event name is required to identify the trigger successfully. In this example, set Event name as “test_event”

Next, select +That field to create the action service taken in response to the last trigger. In this example, choose Email as the action service

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A list of Actions can be available under Action Service. In this example, only Send me an Email is found. Click on Send me an Email

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Under the template of Send me an Email, the contents os the email, such as subject and body, is editable. Click Create Action to complete action. Note that Email service is offered to the email ID registered under IFTTT account.

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After Review Click on Finish to complete and create the Applet. The applet is then found under My Applet in own IFTTT oage

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  • Post the Trigger via Ameba

Once the Applet is ready in the IFTTT dashboard, the example program can be flashed onto Ameba board to post HTTP request.

1. The example program is under the folder “HTTP_IFTTT_POST”. Follow the steps below:

1) Open “File” -> “Examples” -> “AmebaWiFi” -> “HTTP_IFTTT_POST” with the Arduino IDE.

2) Once the program is opened, edit the following 3 items inside the code in order to make the program works successfully.

Edit the wi-fi credentials to connect to the wi-fi hotspot or access point of desirable choice.

Under the host name field, enter the hostname of the IFTTT service “maker.ifttt.com”

under the Path field, enter the EventName and key field “trigger//with/key/”

− Event name: The event name should be same as the one specified in the IFTTT applet. In this example, the event name is “test_event”

− Key: available under Webhook service in individual IFTTT account. See next step to obtain.

3) How To obtain a key from documentation tab of the Webhooks?

find the Webhooks service in the Services tab.

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On Webhooks service page, click on the Documentation tab on the top right corner.

The key can found in the documentation page. Also, how HTTP request can be used as shown

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The sample of the completed code is indicated as below

2. Run the sample program on Ameba

Once the example is ready, connect to Ameba board via USB Cable.

Compile the code. Click on “Sketch” -> “Verify/Compile” on Arduino. Upon completion, “Done compiling” will be prompted at the bottom of Arduino.

Upload (flashed) the code onto Ameba by clicking on “Sketch” -> “Upload”. (The uploading process will be indicated by component D3 which will be flashing on the board)

Once the upload is completed (component D3 on the board will stop flashing), “upload finish” will be reflected on the bottom of the Arduino IDE window

Open the serial monitor.

Press the “Reset” button to see the output logs.

After the event has been successfully fired, the line of “Congratulations! You have fired the test_event event” can be seen on the serial monitor and an email reminder for this event will be delivered.

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Thereafter an email is sent to recipient email account registered at IFTTT Applet and email notification will be received.

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