Timer

Project Scope: Originally developed for use in Raspberry Pi as a personal timer for Archery

• Features
• LCD Number Panel

![Timer](https://db.tt/7OdXHRbn)
  > Display the number of seconds left in the panel.
  
* Start/Stop Button
 
 ![Timer](https://db.tt/cABrwdR8)
 > Click the Buttons to Start or Stop the Timer.
 
* Radio Button
 
 ![Timer](https://db.tt/DJ6UmvDK)
  > Select the mode: 4, 3 or 2 minutes countdown.
  
* Spinbox
 
 ![Timer](https://db.tt/qR2Vz8s0)
  > Display the number of ends or times the start button have been pressed.
  > The value can also be increased by clicking the up or down arrow of the spinbox.

How it Works:

1. Select the mode for the countdown

2. Click Start when ready, and it will start the countdown

3. Click Stop to stop the countdown

4. Number of ends will be displayed in the spinbox

5. Time is set to be 3 seconds more than the number of minutes selected

  * 2 whistles will be blown when the Start button is clicked

  * 1 whistle will be blown when it start officially at the 4, 3 or 2 minutes mark

  * "Two minute remaining" will be played when there is two minutes left

  * "One minute remaining" will be played when there is one minutes left