Pulling it all together with the Pi Sense Hat
I don't go over many shields in the book, but there are a few that combine a lot of useful features for a low cost and are readily available on the Internet. One of those shields is the Sense Hat: for only $30 US, it combines eight sensors with a joystick and 8x8 RGB LED matrix. This is a quick and easy way to track several sensors with just a little hardware.
Getting ready
The Raspberry Pi Sense
Hat is available through most retailers that sell the Raspberry Pi. The Raspberry Pi Foundation website (www.raspberrypi.org) has links to the retailers for its products.
Make sure you have the latest version of the Python libraries installed with sudo apt-get install sense-hat python-sense-hat.
Note
If you don't have a Sense Hat, Raspberry Pi has an emulator you can use instead. Just install the following:
sudo apt-get install sense-hat-emu
sudo apt-get install python-sense-emu
For the following code, instead of importing sense_hat, you will import...
