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Re: Teensylu Bootloader Trouble - 12 years ago

Ok, here are some tips ive found help... Turn off your teensylu, pull off the jumper labeled 'ALE' on my rev0.8 board its just to the right of the teensy chip. turn it back on, and look for your serial port, it should be different now, on my mac os x system, it was previously /dev/tty.USB12321, then it changed to /dev/tty.USB1242 this will enable flashing though arduino environment. next you ne