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Raspberry Pi - Using GPIO Pins for PWM to Simulate Analog Output

Paul McWhorter via YouTube

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Overview

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This lesson demonstrates how to use Raspberry Pi GPIO pins with Pulse Width Modulation to simulate analog output. It measures PWM signals with an oscilloscope and applies frequency and duty-cycle changes to control LED brightness.

Syllabus

Intro
Lesson Overview
Digital Oscilloscope
PWM
Switching Cameras
LED Circuit Setup
Importing the Code
Checking the Code
Troubleshooting
Auto Mode
Checking Frequency
Changing Duty Cycle
Changing Frequency
Watching the LED
PWM Frequency
Trivia
Homework
Outro

Taught by

Paul McWhorter

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