Troubleshooting issues with web services
In this part of the chapter, we are going to see what can go wrong when using your Arduino board to interact with web services. Indeed, some of the steps involved here are quite complex and many things can go differently than expected.
Updates
The first thing that can happen is incorrectly entering your Twitter API keys or Facebook access token inside the Arduino sketch. Also make sure that you correctly entered the callback URL inside the Facebook app settings. Finally, make sure that you didn't reach the calls limit on Temboo.
No notifications are triggered
If you don't receive any notifications from IFTTT, either via push notifications or text messages, first check that you entered the correct Maker key ...
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