MightyPi 1.1 - OrangePi Zero Handheld Retro Game Console by ksaweryn

Last crawled date: 3 years, 1 month ago

Work in progress!!
Please check my previous design here.
Low budget handheld console powered by orange pi zero with 3.2 tft lcd. Project is not recommended for beginners. Some soldering skills are required (removal of the ethernet socket, an usb port and the H1102NL chip).
https://youtu.be/AHza_T-boPQ
Dimmensions:
H: 23.5 mm, W: 133 mm, L:74 mm
Software:
For OS I recommend to use a RetroOrangePi distribution, a screen is driven by BBCP library (https://github.com/bitbank2/BB-CP), and you can find a code for a matrix keyboard with joystick here.
BOM:
☑ Orange Pi Zero 512 MB aliexpress,
☐ 3.2 inch tft screen with ILI9341 controller aliexpress,
☑ ADS1115 module board aliexpress,
☑ set of screws aliexpress,
☑ dc dc boost converter 5V aliexpress,
☑ PSP1000 joystick aliexpress,
☑ heatsink for CPU aliexpress,
☑ tactile switches aliexpress,
☑ NDSL buttons aliexpress,
☑ power switch aliexpress,
☑ silicone tactile switches aliexpress,
☑ micro usb battery charger aliexpress,
☑ 3.7v lipo battery (30x50x10mm, but slimmer would be better),
☐ 30mm slim speaker,
☐ small audio amplifier/ usb sound card,
☐ 3.5mm audio jack,
☐ standard usb port,
☐ small power silide switch aliexpress,
☐ PCB components
☑ - already bought☐ - collecting funds
27.09.2018 - Electronic placed inside. Because I don't have a 3.2 inch tft screen I'm using a 2.4 inch one. If you want to help this project, please contact me :)
25.09.2018 -Screen frame printed. I managed to guide 8 cables for a display through holes to the bottom body. Im using some long M4 screws in hinges, but It's not the best solution. Screws with inside socket without head would be the best.
22.09.2018 - I printed and tested screen_back.stl. Uploaded some photos, sadly I can't test the fit without a display.
18.09.2018 - I printed and tested buttons.stl. I changed my slicer to cura. A lot of supports, but results is great. Buttons and joystick fits perfect.
15.09.2018 - I printed and tested bottom_with_slider.stl part, not the best quality print, but everything seems to fit fine. I uploaded photo comparing this to the old project.
Changelog:
1.11 - new PCBs designed to be easy produced at home using a toner transfer method. PDFs to print in file section,
1.10 - new fillets on Z axis for FDM printers on screen case,
1.09 - matrix keyboard and joystick library using ads1115 chip,
1.08 - designed pcb, it was more complex that I anticipated,
1.07 - pcb mount position moved,
1.06 - v1i1 PCB schematic - joystick, power monitor, closed lid sensor, power management,
1.05 - minor bug fixes,
1.04 - better fit for shoulder buttons,
1.03 - more realiable power slider, new fillets on Z axis for FDM printers, removed inset of a speaker
1.02 - power slider version,
1.01 - new screen cable holes, updated description, added orangepi zero modification guide, more renders,
1.00 - initial version,