I'm quite happy with how it turned out, considering all the little details behind the scenes to make it work... Here's the key features:
- Raspberry Pi 3 running RetroPie image
- Can emulate all the classic gaming consoles you can imagine up to & including the N64!
- Battery powered with rechargeable 2x 3400mAh Li-Ion
- 5" 800x480 screen
- HDMI output for playing on TV
- Stereo speakers and heaphone jack with volume control
- Battery power/charging indicator lights
- Teensy microprocessor to read button states and act as Joystick