Worklog My first portable N64 is finally complete!

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Nov 22, 2016
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I actually started working on that over 10 years ago, but my electronics knowledge was basically inexistant and it feel apart quickly. Seeing the one made by Bacteria back then is what got me into learning electronics.

Now that 3d printers are a thing and pcb design is more easily accessible, I wanted to achieve that old dream of making a portable N64 myself. I've been working on that project for the past 3 months and it's now complete.

Designed the whole case myself in fusion 360, printed in PETG for heat resistance. Designed a few PCBs for controller and audio amplifier. I didn't like what I found for audio, and it either didn't have everything I wanted, or it was too expensive to ship. So I got into Kicad, learned it and designed an audio amplifier myself using a tpa6021a4 from TI. It works perfectly fine, I'm really happy with it.

At first, I got a rev 03 board and did a ram swap on it to avoid the expansion pack. It worked great but along the line I fried it, no idea how. I tried changing the CPU, as well as the RAM and the PIF chip, nothing. Since I didn't want to wait for another N64 to be delivered, I used a rev 08 on which I had taken the RAM for the swap, put the RAM back on it and used the expansion pak.

Here's a list of features:
  • Complete N64 with expansion pak
  • 7Ah, 7.4v battery pack
  • Speakers / Headphone jack / Volume knob combo PCB designed by myself. 0.5w speakers, surprisingly loud
  • Switch joystick and buttons, N64 original triggers
  • 4:3 5 inches LCD screen
  • USB-C PD, 9v charging port, can charge and play at the same time
  • Green LED when on, turns red when battery low
  • Second, yellow LED that turns on when in charge, turns off when fully charged
  • Single L/Z combo trigger with a switch beside the trigger to change which it is
  • Memory Pak to come, waiting for PCB and FRAM chip
A bit on the thicker side, but I'm happy for a first time. I basically learned fusion 360 and Kicad for that project, glad I did!

Hope you guys like it!
 

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