The Wi-Fi Power Plug is a device through which you can control electrical appliances hooked up to it, turning them on and off in two ways:
For example, you can turn on your irrigation system every day at 6 P.M. for 30 minutes, but if you see that your grass is turning yellow you can manually turn on the system for an additional watering.
Nowadays, this kind of device is available on the market for a reasonable price but building one yourself will allow you to understand how it works and adapt it to your own needs.
In comparison with the project in Chapter 1, Arduino and iOS – Platforms and Integration, we are going to use Wi-Fi as the communication protocol. This ...