February 23, 2009 AT 2:03 pm

Wireless reprogramming Arduino w/XBee redux!

xbeediagram

A few months ago I posted up a tutorial on how to reprogram and communicate with an Arduino using two XBees. However, I foolishly only tested it with small (1K) programs. Apparently the setup was flaky with large programs. Well, some people complained and some people rewrote the bootloader. But I was pretty sure there was a way to fix it …

So yesterday was XBee hacking day and not only did I learn more about the XBee specs but also fixed the problems with timeouts and resetting. So, please check it out again & give it another try. This setup seems to work well with large programs, doesn’t require a new Arduino bootloader and is compatible with AVRdude as well as Arduino IDE.

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