Some code for a two button interface for zooming.
The right button sends the command ALT+Command+= for zooming in on a
Mac.
The left button sends the command ALT+Command+- for zooming out on a
mac.
A relative of mine has poor eyesight and, when setting up zoom on his
computer for him, he was having a lot of difficulty finding the correct
keys on the keyboard to allow him to zoom in/out (even when I re-mapped
them to F11 and F12).
I figured that he needed a device that was easy to find and control on the desk without looking. I searched around to try and find the right device but came up empty. I decided to make something that would suit his needs...enter the Teensy 2.0.
Parts:
- Teensy 2.0
- Mammoth 'Tall' Enclosure
- 33mm Buttons from sparkfun electronics
- Mini USB cable from monoprice.com
- LENOX 1-1/8 inch Bi-Metal Arbored Hole Saw from Lowe's — (to drill the holes)
- Rubber feet from the hardware store
- Scavenged wire from an old computer fan
- Black electrical tape
This project is largely based on the work done by Pete at RasterWeb and his "The Button" project.