DFU mode, like Uno

The Pebble is an Arduino-compatible board with a bunch of built in sensors and other devices, including support for ZigBee wireless mesh networking. Great for datalogging or general experiments.
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mibus
Posts: 13
Joined: Sun Feb 05, 2012 1:47 am

DFU mode, like Uno

Post by mibus » Sun Feb 05, 2012 2:20 am

Unsurprisingly, it's entirely possible to enter DFU mode to reflash the 8u2 with (say) keyboard firmware.

It's that that things are in slightly different places on the Pebble v2 :)

Connect the board to your computer via USB. Put a jumper between the two left-most pins on the group marked "8u2 ISP" (it's near the left side of the board). Stick one end of a wire in a "GND" header, and tap on the left-hand "Boot" pad (it's right under the 8u2 ISP header). Remove the wire, remove the jumper, you should now be in DFU mode.

From there, follow the normal "dfu-programmer" instructions.

(Note if you want to build any LUFA-based projects yourself, you'll probably need to use LUFA 100807 rather than the latest version - I got weird build errors until I rolled back).

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