The Official Raspberry Pi Projects Book - Projects_Book_v4

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raspberrypi.org/magpi The Official Raspberry Pi Projects Book 159

X

Y A

B

LEFT SHOULDER RIGHT SHOULDER

D-PAD UP

D-PAD LEFT

D-PAD DOWN

D-PAD RIGHT

SELECT START

BUILD A HANDHELD GAMES CONSOLE Feature

or this project, we’re going to be using the

excellent RetroPie to power our emulation

software. You’ll first need to download

the image for RetroPie from its website here:

magpi.cc/25UDXzh. Write it to a microSD card and

pop it into your Pi Zero W. Connect that to a monitor

along with a keyboard, and we can get it ready.

You’ll first need to map some buttons – as the PCB

controller isn’t hooked up yet, we’ll have to quickly

use the keyboard for the initial setup. Make sure the

directional keys, Start, Select, A, and B are assigned

a key and just hold down the SPACE bar to skip

anything else. Once that’s done, connect to wireless

using the info in the ‘Setting up wireless’ boxout.

To get our final build working, we need to make

sure to install support for the PiTFT, as it’s not

supported natively. SSH into the Pi Zero W at

retropie.local or press F4 to enter the command

line on RetroPie, and enter the following:

cd

curl -O https://raw.githubusercontent.

com/adafruit/Raspberry-Pi-Installer-

Scripts/master/pitft-fbcp.sh

sudo bash pitft-fbcp.sh

Select PiGRRL 2 and don’t reboot. Now we need

to add support for the custom buttons. Back in the

command line, use:

cd

curl -O https://raw.githubusercontent.

com/adafruit/Raspberry-Pi-Installer-

Scripts/master/retrogame.sh

sudo bash retrogame.sh

Select PiGRRL 2 again and then reboot the system.

Once we’ve put all the parts together, and before

it’s assembled in the case, we’ll need to configure

the controls for the buttons we’ve made and added

to the project. Press the button assigned to Start

and select Configure Input, and then go through the

configuration process again.

F

Get your Pi Zero W ready to be made into a retro gaming treasure

PREPARING YOUR PI

Wireless connectivity on the new Pi Zero W is great, but the

configuration method for wireless LAN on the RetroPie is very

basic. You’ll need to know the name of your wireless network

(SSID) along with the password, as it won’t be able to search for

available networks. You can also import details by loading a .txt

file onto the boot partition.

SETTING UP WIRELESS

When you come back to reconfigure your buttons, refer to this handy guide

The configuration screen starts by asking

about your current controller setup