ChargedUP: Behind The Scenes of an RC Car

An interactive educational website connecting battery chemistry and DC motors through the real-world application of powering an RC toy car.

🚀 Quick Start

1. Clone or download this repository
2. Open index.html in any modern web browser
3. No build step or server required — it's all static files!

Alternatively, deploy to GitHub Pages, Netlify, or any static hosting service.

✨ Features

🔋 Battery Chemistry

• AA Alkaline (Zn/MnO₂) and NiMH battery chemistry
• Stoichiometry calculations with limiting reagent identification
• Commercial capacity (mAh) to charge/energy conversions
• Internal resistance and voltage sag modeling
• Presets: Single AA, 4×AA packs

⚡ Motor Physics

• Magnetic field calculations (solenoid, loops, wires)
• Right-hand rule demonstrations
• Motor speed estimator with visual gauge
• Back-EMF conceptual explanations
• Import battery data for integrated analysis

🔄 Integration

• Chemistry → Physics data transfer
• Energy flow visualization (Chemical → Electrical → Mechanical)
• Complete worked examples

🧪 Virtual Labs

• Battery discharge simulation
• Motor current & B-field visualization
• Guided experiments

🎨 User Experience

• Dark/Light theme toggle
• Text size options (small/default/large)
• Responsive design (mobile-friendly)
• Accessible (ARIA labels, keyboard navigation)
• Deep linking and JSON export

📁 Project Structure

ChargeLab/
├── index.html              # Landing page
├── chemistry.html          # Battery chemistry & calculator
├── physics.html            # Motor physics & simulator
├── integrated.html         # Combined energy chain view
├── simulations.html        # Virtual labs
├── glossary.html           # 30+ term definitions
├── sources.html            # APA citations
├── about.html              # Rubric mapping & info
├── styles/
│   └── style.css           # Complete design system
├── scripts/
│   ├── main.js             # Core app (settings, navigation)
│   ├── chemistry.js        # Battery calculator
│   └── physics.js          # Motor simulator
├── assets/
│   ├── logo.svg            # Site logo
│   └── favicon.svg         # Browser favicon
├── README.md               # This file
├── LICENSE                 # MIT License
├── CHANGELOG.md            # Version history
└── TEST_RESULTS.md         # Verification testing

📐 Key Formulas

Chemistry

Formula	Description
n = m / M	Moles from mass
Q = n × F	Charge from moles (F = 96,485 C/mol)
E = V × Q	Energy from charge
Q (C) = mAh × 3.6	Capacity conversion
V_loaded = V - IR	Voltage under load

Physics

Formula	Description
B = μ₀NI/L	Solenoid B-field
B = μ₀I/(2πr)	Wire B-field
P = VI = I²R	Power

🎓 Curriculum Alignment

Chemistry 30S

• Mole concept and calculations
• Chemical equations and stoichiometry
• Oxidation-reduction reactions
• Electrochemical cells

Physics 30S

• Electric circuits and current
• Magnetism and electromagnetism
• Magnetic fields from currents
• Energy conversion

🌐 Browser Support

• Chrome 90+
• Firefox 88+
• Safari 14+
• Edge 90+

📚 Sources

Key references (full citations in sources.html):

• Linden & Reddy (2010) - Battery handbook
• Energizer (2018) - AA specifications
• Griffiths (2017) - Electromagnetism
• HyperPhysics - DC motor concepts

📄 License

MIT License - see LICENSE file.

🙏 Acknowledgments

• Manitoba Education curriculum guidelines
• NIST CODATA for physical constants
• IUPAC for atomic weights

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ChargedUP • December 20th • Grade 11 Chemistry + Physics Final Project