Arduboy MAX

using a 2.42" OLED display and Game Boy buttons with a diy board around the atmega32u4

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work in progress

I would have preferred to use one of the many spare arduino pro micros, but the arduboy gang used pins that aren't broken out on. So I've bought 2 TQFP atmega32u4 chips and started to design a board.

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    davedarko07/12/2018 at 16:00 3 comments

    They've contacted me via instagram - like oh so many pcb fab houses do these days - and offered a free run - couldn't say no! I've added test points to attach the RGB LED, not so keen on using it, but wanted to have the option. The display will be soldered via wires. There's no battery protection on it, only a charger. Extra pads for I2C. Additional test points for vcc and gnd. Buttons will be classic Game Boy pads. 

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Hendra Kusumah wrote 06/10/2018 at 21:24 point

Oh yeah btw, Loving this arduboy XL project :). 

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Hendra Kusumah wrote 06/10/2018 at 21:22 point

There is an alternative bootloader if you want to stick with pro micro. And I think pro micro pins is already capable if you don't use the RGB led.

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davedarko wrote 06/11/2018 at 07:27 point

hm, the pinout of the SPI display uses pins (CS, DC) that aren't broken out on the Sparkfun pro micro I have. The goal is having the same experience without "tinkering with bootloaders". But thanks a bunch for the link, might come in handy if it doesn't work the way I thought! :)

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ꝺeshipu wrote 06/10/2018 at 19:38 point

Have you considered a teensy 2 or a-star mini? The latter has interesting colors too! (and no, I'm not saying you should use them, making your own is much cooler)

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davedarko wrote 06/10/2018 at 20:20 point

oh you mean to check if all the pins are broken out? I could check that on a teensy, good idea, thanks!

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