Datasheet
Software
Download & Burn RetroPie
Game emulation is handled by a package called
RetroPie.
It’s a complete Linux distribution designed specifically for
running classic games on Raspberry Pi.
Download the current version from the RetroPie web site (https://adafru.it/rA3), then write this to an SD
card (https://adafru.it/dDL) using Etcher or similar software.
We’ll then make some modifications to tune this for the PiGRRL’s buttons and small display.
Setup will require an HDMI monitor, USB keyboard and a network connection (either WiFi or Ethernet). This is best
done
before
the Pi is enclosed in the PiGRRL case. If you have a spare Raspberry Pi board around, that’s an ideal
option…you could prepare the software on that system and then move the card over to the PiGRRL 2.
Setup RetroPie
Insert the RetroPie card to your Pi, attach monitor and keyboard (and Ethernet, if networking that way), then power the
system from a USB power source (a USB phone charger or a powered USB hub can usually work). The system will
automatically reboot once (it needs this to make use of the whole SD card), then on second boot it will ask to configure
the game controls…
The PiGRRL buttons don’t work yet; this is normal. For initial setup, use the USB keyboard to select the D-pad
directions (arrow keys), Start, Select, A and B keys. For anything else, just hold down the space bar or other key to skip
that item . Don't worry, we'll re-do the keymap later once we've finished assembly! When finished, you’ll see a
graphical interface called
Emulation Station
where you’ll select games and other options.
Let’s get this Raspberry Pi on the network first. If using Ethernet, it’s a simple matter of plugging in. If WiFi, from the
main EmulationStation screen, access the RetroPie settings using whatever key you’ve assigned as the “A” button.
You’ll see WIFI in this list:
© Adafruit Industries https://learn.adafruit.com/pigrrl-2 Page 13 of 86