Gameboy Advance mini

=== Update 2010/10/21 ===
1. I add the front plate with no button for anyone who want to remix their own A/B position. The micro switch that i use is 6.6x6.6 mm (it will perfectly fit)

2. Add front case V2 (tweak A/B button)

3. Add stand (can charge while place on stand)

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I design this with inspiration from Game Gear mini.

can view complete one on my channel:
https://youtu.be/QBY8S2vGxQ8

Actually it just 1.3 inch game HAT that add L and R button and sound.
button on 1.3 inch HAT i use:

Button GPIO
Left ------------------ 5
Up ------------------ 6
Select ----------------- 13
Down ------------------ 19
Right ------------------ 26
Start ------------------ 21
B ------------------ 20
A ------------------ 16
L ------------------ 7
R ------------------ 23

for sound I use pwm 18

Parts list:
1. Raspberry Pi Zero

2. 1.3 inch IPS LCD 240x240
https://www.aliexpress.com/item/32