In the end of Aug 2018 I was messing around at work and read about arduboy. Look photos and youtube and I understand: I want same one too...And at the end of working day I undestood: I have all of parts to make it.
At home I just setup LCD on breadboard and start trying setup buttons, because I have chinese mini gamepads, and all of them hurts hands. My result don't hurt anything.
Arduino pro micro soldered BGA-like
Originally I wanted to use cellphone battery but it turned out that battery was preffect. It is not fixed, but holds great.
So... I Solder it all and go to sleep, because I was bored. At morning I plug it to PC and program some game. It works but buttons do not respond... Argh... I soldered buttons but forgot the wires. And its works!
Initially I used piezo buzzer but its so quiet. I change it by speaker from cell phone and its also vibrates - very cool.
Later I put kapton tape on screen. It made it warm. (then I do same with my TS-100 and othed OLED screens)
At first I wanted to add a back cover: same breadboard with cellphone battery under buttons.
Then i think about back cover from a piece of plastic bottle. This allow to see guts.
And finally I decided to leave without cover and do not wash out the flux.
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