abqlewis wrote:Sorry, I missed the fact that you ordered a Teensy in your OP. Teensy boards work for me in every other use but this one. I first got the AVRISP working on an Adafruit 32u4 board, and it works fine. Then I tried a Teensy. Not so much working. I would think that if it were a 32u4 problem, my adafruitU4 would have had the problem also. I've also loaded a recompiled version on a couple of cheap 32u2 boards with not problem (not bad for a $15 programmer). I worked on the Teensy problem for a while, and got it down to a problem with the /RESET line not staying low during programming. I gave up when I realized that my original Adafruit board still worked, so just used that.
philba wrote:Interesting. Is this because of the bootloader in the teensy? At $16 a pop, the teensy is my goto board for small projects.
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