bigbutton's Introduction

BigButton

One-button USB HID keyboard

User Manual

Start computer and open a plain text editor notepadon Windows
Press and hold the button, then connect the USB cable
Follow the instruction to select a mode
Disconnect the cable
Connect the cable again with button released
Be happy by pressing the button

This project is influenced by pictures on WeChat, when I want to buy one from the original creator, it became unavailable. So, I selected parts on taobao and build one by myself.

License

This project publiced according to WTFPL.

Hardware

All button & box parts were found from taobao. Total cost (my version @ 20150521) RMB98.88.

####The button LA38-11

I picked this since I like the arrows on top. It's an auto-lock button, I removed the locker.

####Box

####Yellow Cover

####Arduino Beetle

####Lines

Micro-USB Cable
Dupont Line

Construction

There are many references on project vim-pedal.

Connect the button

When its status is released, connect D9 to LOW
When its status is pressed, connect D9 to HIGH

Then, connect the usb cable

Program

Currentlly, the program support 6 modes:

1. Default mode: Enter.
1. Emergency STOP 1: ESC.
1. Emergency STOP 2: Ctrl-C.
1. Emergency STOP 3: ESC, Enter.
1. Emergency STOP 4: ESC, tab, Enter.
1. Emergency STOP 5: Ctrl-C, Y, Enter.
1. Emergency Shutdown Windows: run "shutdown -s -f -t 0".
1. Next Window: Alt-Tab.
1. Next App (OSX): Cmd-Tab.
1. Next Tab (Byobu): F3.
1. BSOD.
- You need set HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\kbdhid\Parameters\CrashOnCtrlScroll to 1

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