The Internet of Things (IoT) is a phrase used to describe any electricals that have added features to wirelessly connect them to the network. IoT can be applied to all sorts of devices, such as your home's router, lights, and even door locks.

With connected IoT devices, you can build a modern "smart home," where lots of little details that can be controlled with a simple voice command or app.

Building a smart home is easy these days, especially with products like a Google Home or Amazon Echo acting as your home's central IoT hub.

However, vendor-specific products can lock you into limited options available through their single ecosystem.

If you want unparalleled control over your smart home, there's no better option than to build it from the ground up, and you can learn how with the Complete Raspberry Pi Hacker Bundle, now just US$19.

The Complete Raspberry Pi Hacker Bundle contains four comprehensive courses that will teach you how to use Raspberry Pi.

For smart home purposes, you may find the 2018 Ultimate Guide to Raspberry Pi to be most useful because it will teach you how to build your own Amazon Echo clone.

Additionally, Getting Started With NodeMCU will teach you how to remotely control AC appliances; with this, you can control IoT-enabled devices such as lamps, heaters, or even your coffee machine.

You can also get a complete kit, including all training courses plus the 3B and TF Card with Raspbian system and Dragit pre-installed. Additionally, you'll get 37 sensors to connect multiple devices to your Raspberry Pi 3B.

If you were to buy these training courses and a Raspberry Pi 3B individually, you're looking at a total cost of up to US$530. However, this kit includes both the Raspberry Pi 3B and the Complete Raspberry Pi Hacker Bundle for US$145.99, or 72 percent off.

If you already own a Raspberry Pi 3B you can buy the Complete Raspberry Pi Hacker Bundle for US$19, down from US$384.97.

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