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Pre-Built Txtzyme Hex Files

Txtzyme runs on Teensy and Teensy++ versions 1.0 and 2.0. These devices are available, inexpensive and well supported by http://pjrc.com/teensy. Once you are in possession of a device you will need to:

Choose the hex file that corresponds to your Teensy. The correspondences are as follows:

  • at90usb1286.hex for Teensy++ 2.0
  • at90usb162.hex for Teensy 1.0
  • at90usb646.hex for Teensy++ 1.0
  • atmega32u4.hex for Teensy 2.0

Once Txtzyme is running you can send commands to it from the shell. Here is how to send a "blink" program from an OS X Terminal window:

    $ echo '5{ 6d 1o 100m 0o 100m }' >/dev/cu.usbmodem12341

You can generate Txtzyme as you would any other text file. Here is how you can grab the text output from the morse project and run it:

    $ curl http://github.com/WardCunningham/Txtzyme/raw/master/projects/morse/morse.txt >/dev/cu.usbmodem12341

Expect this to blink out a familiar message in Morse code.