Hardware Reference
In-Depth Information
2.4
Controlling
Your
Project
From
Now that we are sure that the relay is working correctly, we can move on to the core of this
chapter: controlling the relay from anywhere you are in the world. You will be able to con-
trol it from any web browser, just by knowing your API key that you got before.
There is one more thing you need to do before we can have a look into the Arduino sketch
of this section. You need to convert the API key you got before to hexadecimal format, so
it can be pasted inside the Arduino sketch. Luckily, the Teleduino website has a page to do
that:
You will be taken to a page where you can paste your API key:
