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keybrd/tutorials/tutorial_3f_autoShift.md

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Tutorial 3f - autoShift

Some multi-layer keyboards have a symbols layer that writes symbols without using the shift key:

~ ! @ # $ % ^ & * () _ {} | < > : ?

The keybrd AutoShift class automatically sends a MODIFIERKEY_SHIFT scancode as needed. Two keybrd classes use AutoShift:

  • Code_ScS
  • Code_ScNS

The keybrd_3f_autoShift.ino sketch explains the AutoShift feature. It will run on the basic breadboard keyboard described in tutorial_1_breadboard_keyboard.md. After reading the sketch you too will be able to automatically shifted characters.

basic breadboard keyboard

Exercises

  1. Modify the keybrd_3f_autoShift sketch to make a 3-layer keyboard with a default layer and two Code_LayerHold objects.
Layout 0 1
0 a ! 1 b @ 2
1 sym num
  1. Modify the keybrd_3f_autoShift sketch to write 1 and 2, regardless of if shift is held down or not (hint: use Code_ScNS).
Layout 0 1
0 a 1 b 2
1 fn shift

Creative Commons License
keybrd tutorial by Wolfram Volpi is licensed under a Creative Commons Attribution 4.0 International License.
Permissions beyond the scope of this license may be available at https://github.com/wolfv6/keybrd/issues/new.