Welcome to Lab 4 of our PIC12F675 series! In this exciting session, we're combining our ADC knowledge with Pulse Width Modulation (PWM) to create a voltage-controlled dimmer. This project showcases the power and versatility of the PIC12F675 in real-world applications.

🔬 Lab Overview:
We'll use the ADC to read an analog voltage and use that value to control the duty cycle of a PWM signal. This practical application demonstrates how to interface analog inputs with digital control systems.

🌟 Key Takeaways:
Implementing ADC for continuous analog input reading
Creating a software-based PWM system
Mapping analog input to PWM duty cycle
Visualizing PWM output using an oscilloscope and LED

🛠 Hands-On Skills:
You'll gain practical experience in:
Advanced ADC usage in a control system
Software PWM implementation in assembly
Real-time system response to analog inputs
Basic output visualization techniques

💡 Real-World Applications:
This lab introduces concepts applicable to:
LED dimming systems
Motor speed controllers
Temperature-controlled systems
Audio volume controls
Power supply regulation

📚 Educational Value:
This lab bridges the gap between analog input and digital control, a fundamental concept in many embedded systems. You'll learn how to create smooth, proportional control from a variable input.

🔗 Useful Resources:
PIC12F675 Datasheet: https://ww1.microchip.com/downloads/e...

PIC12F675 Course Website: https://www.darinulness.com/learning-...

GNL Project Homepage: https://www.darinulness.com/learning-...

Instructor's Website: www.darinulness.com

GitHub Repository: https://github.com/ulnessd/PIC12F675

📺 Series Progression:
This lab builds on our previous ADC sessions, showcasing a practical application that combines multiple concepts we've explored so far.

💡 Pro Tip:
While we're using simple circuitry to focus on the microcontroller programming, the concepts learned here can be expanded to more complex control systems in your future projects!

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