Reprogramming
Reprogramming of your Mathkeeb is done by loading a new .hex file onto the Teensy
Controller. This chapter will guide you through the process of doing so.
Loading .hex files onto your Mathkeeb is made simple via the use of the Teensy Loader
software. This software can be downloaded from the PJRC website at the following link:
https://www.pjrc.com/teensy/loader.html
Once you have acquired the loader software, the loading process is as simple as pressing a
few buttons.
The first button is located on the Mathkeeb itself. To access this button, flip the keyboard
over and set it down on its keys. You should see a small pinhole near the usb port at the top (see
below)
Please keep in mind there are delicate electronics inside this case! We recommend using a
toothpick to push the button at the bottom of this hole. Once the button is pressed, you may hear a
sound from your operating system indicating disconnection of a USB device. This confirms that you
successfully hit the button.
Your Mathkeeb is now in programming mode. If you have the Teensy Loader software open,
it should look something like this:
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