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How to use rotary encoders

Electronic knobs are everywhere, and today we will learn how they work and how you can use them with a microcontroller. We will even build our own rotary encoder at home. Thanks for watching, and let me know in the comments if you have any questions! Companion article: http://www.friendlywire.com/tutorials... If you enjoy these videos, consider supporting FriendlyWire on Patreon:   / friendlywire   Email list: http://www.friendlywire.com/email Website: http://www.friendlywire.com Twitter:   / friendlywire   Reddit:   / friendlywire   Facebook:   / friendlywire   Instagram:   / friendlywire   Timestamps: 00:00 Introduction 00:47 How do rotary encoders work, and what is Gray code? 02:57 Inside a rotary encoder 04:22 Homemade rotary encoder 04:58 Idea for schematic 05:34 What you need to build this circuit yourself 05:59 Final schematic 06:43 Construction on the breadboard 08:25 Writing the program for the PIC16F1455 08:49 Writing the program: main ideas 12:39 Flashing the .hex-file onto the PIC16F1455 13:39 Using the homemade rotary encoder 13:52 Final thoughts