How To Use Flashlight Mode To Fix Bricked Arduboys

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You will be glad to know that Lion Tamer does not remove the USB stack - there is no need!

I did keep flashlight() mode.

I am not sure why the Arduboy can be so temperamental. I guess it could also be the computer, it has its moments too.

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I canā€™t recall any time when Iā€™ve had problems uploading, using flashlight if necessary, or holding Down if USB has been removed. Thatā€™s with both of my Arduboys and my Arduino Micro based breadboarded system. And thatā€™s also using at least 4 different PCs and numerous cables. However, all the PCs Iā€™ve used have been running Linux.

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The machine I use is a Mac but I have a Windows laptop that I sometimes use and have the occasional problem with also. I can always flash something eventually but occasionally I have had to resort to flashlight mode or pressing the reset button for even ā€˜normalā€™ games. I hate doing that as the reset button is a fragile little thing!

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Yeah, I definitely got my Windows laptop in a mode the other day where it just said the USB serial port was misbehaving and wouldnā€™t talk to my Arduboy again until the laptop was rebooted. I pulled out the Linux netbook and it was OK, but I still couldnā€™t quite get the board flashing until I used the reset button.

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5 posts were merged into an existing topic: Detecting if USB has been removed by examining the .hex file

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I had installed EVADE 2 and using up+left+a+b for two seconds worked! I was scared that was the only game it would ever have from now on. Note that it only stays in boot mode for a few seconds then resets back to the game so you have to be ready to upload a new game as soon as it boots.

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Thanks for this postā€¦
Just received my first Arduboy and I successfully built and uploaded Kong to it. After that my Linux machine would never recognize the device again (on a USB port) and I couldnā€™t add any games. This post got me through it ā€” You have to hold the down button the entire time you upload the new game.
I also wrote a script that allows you to pass in the Usb port and the hex file and itā€™ll run AVR DUDE and upload it directly to your device. Makes things a bit easier.

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I try to add the ability to drop straight to the bootloader from within my games - typically by holding the Down button for a number of seconds on the title screen. The new Arduboy XL has this feature ā€˜out of the boxā€™.