Building a Stopwatch with Raspberry Pi Pico | State Model Implementation

Published: 20 December 2024
on channel: Design with the Raspberry Pi Pico and Python

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Take your *Object-Oriented Design* skills to the next level by building a fully functional *Stopwatch* using the Raspberry Pi Pico! 🕒 In this video, we demonstrate how to implement a *state model* for a Stopwatch that we previously designed in UML. With just a display, a couple of buttons, and Python, we’ll bring the design to life, highlighting real-world applications of Object-Oriented principles.

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🔑 *What You’ll Learn:*
How to translate a *state model* into working code on the Raspberry Pi Pico.
Implementing *Stopwatch functionality* with states like Start, Stop, Reset, and Lap.
Controlling the Stopwatch using *buttons* for user input.
Displaying the Stopwatch time on an *LCD or OLED screen* for a clear and functional user interface.
Using Python and Object-Oriented Design to structure and manage a multi-state application.

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🛠️ *Resources Used in This Video:*
**State Model Design**: Watch our previous video to understand the state model design for the Stopwatch:
👉 [Stopwatch State Model Explained](   / yourlinkhere  )
**PicoLibrary GitHub Repository**: Access the state chart and other utility implementations:
👉 [PicoLibrary on GitHub](https://github.com/jitsengupta/PicoLi...)

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📖 *Pre-Requisite Videos:*
Make sure to check out these foundational tutorials:
1. [Understanding State Machines & UML Statecharts](   / yourlinkhere  )
2. [Implementing Traffic Lights Using Statecharts](   / yourlinkhere  )
3. [Class Diagrams with Visual Paradigm & Lucidchart](   / yourlinkhere  )

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📌 *Why Watch This Video?*
If you're looking to bridge the gap between theory and practice in *Object-Oriented Design**, this hands-on project is perfect for you. Learn to create **state-driven applications* with Python and Raspberry Pi Pico, and gain confidence in implementing real-world designs.

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🔔 *Subscribe for More:*
Enjoyed building this Stopwatch?
👍 Like this video
💬 Share your thoughts or questions in the comments
📢 Share it with your friends
✅ *Subscribe* for more tutorials on Object-Oriented Design and Raspberry Pi Pico projects!

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*Keywords & Tags:*
#StopwatchImplementation #StateModel #ObjectOrientedDesign #PythonProgramming #RaspberryPiPico #EmbeddedSystems #UMLDiagrams #LearnPython #ProgrammingTutorial #IoTProjects

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