Hello,
My makerbuino worked well for about an hour. After turning off, turning it on only brings on the screen leds. No sound, nothing written on the screen. So, I wanted to check if the arduino is at least working enough to write anything on the serial port, but I seem to be out of luck. I can’t find a configuration that gives me anything via the usb/serial adapter. Can anyone tell me what is the default config of the serial port? 9600-N-1 or something else?
Have you tried to re-flash the LOADER.HEX from the microSD card? Hold the C button down, turn your MAKERbuino on, release C, and wait 30 seconds.
http://gamebuino.com/wiki/index.php?title=Troubleshooting#My_Gamebuino_won.27t_turn_on
This helped me when my screen remained blank after turning on…
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Thank you, I found that out earlier today in the troubleshooting guide and that fixed it. I guess I need to have a copy of the SD card done soon, just to make sure… 
@bernardo, congrats on assembling your MAKERbuino!
@escamillo, thanks a lot for helping @bernardo out!
@bernardo, I’ll put all the files and everything else on the site soon, we’re working on some major site improvements.
I hope this won’t be your last time soldering and that this tiny kit unleased your inner maker
We’re also working on a set of coding guides to help you get started with game creation!
@albertgajsak I’ve been soldering for a long time, nearly 40 years… But for my kids these are their first steps, and it has been fun.