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YouTube

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

Paul McWhorter via YouTube

Overview

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Learn how to simulate analog output voltages using Pulse Width Modulation (PWM) on Raspberry Pi GPIO pins in this comprehensive 40-minute video tutorial. Explore the process of controlling LED brightness through PWM signals, utilizing a digital oscilloscope to visualize the output. Set up an LED circuit, import and troubleshoot code, and experiment with auto mode, frequency adjustments, and duty cycle modifications. Gain practical insights into PWM frequency and its applications, complete with homework assignments to reinforce your learning. Master the fundamentals of GPIO pin manipulation for analog output simulation on Raspberry Pi.

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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