Pomodoro timer with Arduino Multifunction Shield

Simple Pomodoro timer with Arduino Multifunction Shield.

Features

Two main modes:

• Manual -> It starts a Pomodoro or a break with the button.
• Auto-loop -> It starts a Pomodoro or a break automatically (to reset it is necessary to pause).

Default minutes:

• A Pomodoro has 25 minutes.
• A short break has 5 minutes.
• A long break has 15 minutes.

Buttons description

On waiting or stop

Button	Pressed	Action
1st	Short or long	Play
2nd	Short or long	Play with auto-loop
3rd	Short or long	Reset

On play

Button	Pressed	Action
1st	Short or long	Pause
2nd	Short or long	Nothing
3rd	Short or long	Nothing

On pause

Button	Pressed	Action
1st	Short	Continue
1st	Long	Reset minutes
2nd	Short	Add 2 minutes
2nd	Long	Subtract 2 minutes
3rd	Short or long	Reset

Requirements

Hardware

To build this device, the following items are required:

• Arduino microcontroller (Arduino UNO R3 was used)
• Arduino Multifunction Shield (for Arduino Uno R3)

Software

This project requires the following libraries to run:

• Multi Function Shield Library by Hpsaturn

Developer Notes

• Developed using Visual Studio Code with development containers(optional). With custom devcontainer configuration file.
• Developed using the PlatformIO extension.
• If you are running in Linux, you could also need the correct permission sudo chmod o+rw /dev/ttyACM0.

To-Do

• Choose the number of Pomodoros to make.
• Disable auto-loop on pause.
• Change the default minutes before playing.

License

© 2022 Jhordyess. Under the MIT license.

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Made with 💪 by Jhordyess