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⏱️ Stopwatch Embedded System Project

📌 Project Overview

This project implements a digital stopwatch embedded system using the LPC1114FBD48/301 (ARM Cortex-M0) microcontroller. The system is programmed in C language and simulated using Proteus Professional 8.9.

The stopwatch supports Start, Stop, and Resume operations with long-press button detection and displays time in HH : MM : SS format.

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🖼️ Project Images

🔹 1️⃣ General Shot of the Project

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🔹 2️⃣ Before Running

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🔹 3️⃣ After Pressing Run

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🔹 4️⃣ After Pressing Stop

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🔹 5️⃣ After Pressing Resume

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🔹 6️⃣ After Resume (Running Again)

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✔ Features

• Start / Stop / Resume stopwatch
• Displays time in HH : MM : SS format
• Long-press button detection
• Clean and modular C code
• Fully working Proteus simulation

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✔ Hardware Used

• LPC1114FBD48/301 Microcontroller (ARM Cortex-M0)
• Virtual Terminal / LCD Display
• Push Buttons
• Oscillator + Power Circuit

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✔ Software Used

• Proteus Professional 8.9
• ARM GCC / Keil / LPCXpresso (C compiler)
• GitHub for version control

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⚙️ How It Works

• Press Start → Stopwatch begins counting
• Press Stop → Counter freezes
• Press Resume → Continues from last stored time

The microcontroller handles timing using internal timers and button state detection logic to manage system states efficiently.

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👨‍💻 Author

ENG: Samer Alaa Abu Zaina

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