Korud countdown timer is the firmware for create a countdown timer programmable for the sport. The first idea was for the timer boxing but next I can discovered the multiple aplications for others sports or utilities.
For complete Korud countdown timer documentation please visit the Korud Homepage http://korud.com, where you will find in-depth articles, how-to videos, and tutorials on every aspect of Korud countdown timer, as the site develops. For release notes, see the Releases page.
-Change pins leds and buzzer
-Add button down in options
For version 1.0 and 1.1 is required arduino mega, ramps 1.4, lcd 2004, 2 buttons and 2 resistor for buttons. (bassic instalation pullup or pulldown).
For version 2.0 or later is required arduino uno, lcd keypad shield 1602 (of 6 buttons).
Korud countdown timer is published under the GPL license because we believe in open development. The GPL comes with both rights and obligations. Whether you use Korud countdown timer firmware as the driver for your open or closed-source product, you must keep Korud countdown timer open, and you must provide your compatible Korud countdown timer source code to end users upon request. The most straightforward way to comply with the Korud countdown timer license is to make a fork of Korud timer countdown on Github, perform your modifications, and direct users to your modified fork.
While we can't prevent the use of this code in products that are closed source or crippled by a patent, we would prefer that you choose another firmware or, better yet, make your own.