Chapter 26 WebIOPi & IOT
In this chapter, we will learn how to use GPIO to control RPi through remote network and how to build a
WebIOPi service on the RPi.
“IOT” is Internet of Things. The development of IOT will greatly change our habits and make our lives more
convenient and efficient.
“WebIOPi” is the Raspberry Pi Internet of Things Framework.After configuration for WebIOPi on your RPi is
completed, you can use web browser on mobile phones, computers and other equipments to control, debug
and use RPi GPIO conveniently. It also supports many commonly used communication protocol, such as serial,
I2C, SPI, etc., and a lot of equipments, like AD/DA converter pcf8591 used before and so on. Then on this
basis, through adding some peripheral circuits, you can create your own smart home.
For more details about WebIOPi, please refer to: http://webiopi.trouch.com/
Project 26.1 Remote LED
In this experiment, we need build a WebIOPi service, and then control the RPi GPIO to control a LED through
Web browser of phone or PC.
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