How do Scroll Wheels Work? 🖱🛠🔬

Take a look at their PCB Assembly, for an inexpensive population of the components on your PCBs.
Have you ever scrolled a scroll wheel and wondered how it scrolls? Scroll is a rather strange word, isn't it? Anywho, in this video, we're going to explore the inside of a computer mouse and look at two different scroll wheels: an optical rotary encoder, and a magnetic rotational position sensor, and see how they are used to measure up and down rotational movement in a computer mouse scroll wheel. We're also going to explore the push button under the scroll wheel as well as the free-spinning vs. ratchet mode of the scroll wheel.

Modeling, Animation & Editing: Mike Radjabov
Script: Teddy Tablante
Twitter: @teddytablante
Voice Over- Phil Lee
Additional Modeling: Prakash Kakadiya

Table of Contents:
00:00 - Intro
00:40 - Inside an Optical Scroll Wheel
02:46 - Direction of Rotation
03:37 - Inside a Magnetic Scroll Wheel
06:50 - Pushbuttons and Free Spinning Vs Ratchet Mode
09:08 - PCBWay
09:54 - Outro

Key Branches from this video are: Printed Circuit Boards, Lithium-Ion Batteries, Scroll Wheel, Bluetooth, Computer Mouse Image Sensor

Erratum:

Internet References:
Logitech MX Master 3 Teardown offers an Intriguing look at its new scroll wheel

Fixing the Logitech MX Master Scroll Wheel

Details of the Image Sensor

Inside the Omron D2FC-F-7N Microswitch

What is Mouse DPI? Does DPI Matter?

Logitech Mouse Review. Logitech MX Master Wireless Mouse. Packaging and Equipment

Razer Viper Gaming Mouse Review: Lefties Bestie, Righties' Meh-stie

Wikipedia contributors. "Computer Mouse" , Interpolation Wikipedia, The Free Encyclopedia. Wikipedia, The Free Encyclopedia, Visited October, 2021

Music Credits

#ComputerMouse #ScrollWheel #Mouse

[PCBWay]

It is undoubtedly a very meaningful thing to let more people understand the internal structure and working principle of various electronic products in this straightforward and clear way. We are proud to sponsor this high-quality science content. ❤

[ZZ-vlnd]

The level of details of these animations always amazes me!

[JaredOwen]

That was awesome - keep the videos coming!

[ThatBenKraft]

I get so excited when these come out! As a current engineering student, I love seeing devices and breakdowns that actually apply to my everyday life and aren't just outdated technologies. Keep up the amazing work!

[InternetUser]

You do not know how much this channel means to me. I love learning how things work, inside and out, and the detailed visuals and easy to understand voiceover make it so much fun to learn something new. Please continue to produce this amazing content!

[corykiesling]

Your videos have astounding detail. I cannot believe how much effort you put into them. Even the choice to spend time showing how the electrons might look as they move across the plate at 4:50 - the kind of plinko-effect, rather than just simply flipping the red and blue.

Truly remarkable. Thank you for such quality work.

[midas]

The effort that goes into this channel continues to impress me, I'd never thought that something so seemingly simple could be so incredibly well thought out in its every detail. Well done, thank you so much for doing these videos!

[theisgunvald]

I’ve without a doubt learned more than anywhere else from your channel.

I love that you NEVER back down on detail and always seem to make everything easily digestible, love it love it love!
Please do continue your great work!

Computer engineering student

[andrewtay]

I'm not an engineering student or studying anything related to science, but I'm always excited to discover how things I use everyday work in detail and in a simple manner 🤩 love the videos

[LaplacianFourier]

These are world class animations. Brilliant!

[errhka]

I've got the Logitech MX Master II so it was awesome to see how my mouse works - thanks for making these!

[MatchaCutie]

You guys make learning about things fun with these animations so thank you a lot!

[cameronmarzzarella]

These videos do not get enough views! This is amazing easy to learn engineering that anyone can understand.

[WERT]

Top tier animations, as always. But need to mention that 95% mice have simpler mechanical encoders.

[Hyraethian]

As an adult(and uncle) I am amazed by the quality and already excited to share these with the next generation.
The quality is top notch from the explanation to the visual effects.

[BluishGreenPro]

I love this, I feel like I completely understand the topic. It reminds me of an old favorite (sadly, no longer active) channel called “The Engineer Guy”

[infinummjb]

I've ignored this video on purpose for some time because c'mon, what can I learn about mouse wheels - they are so simple. Man was I wrong.

I suspected the visuals are going to be top notch and of course they are, as usual, but once again, the level of detail around engineering solutions is in class of its own - superb!

[magyararon]

I always wondered how does it decide the direction of the movement, the dual sensor explains it. Thanks for these videos

[surajvkothari]

Loved the sequence where the frame surrounding the wheel went transparent. Absoulutely amazing animations!

[fis]

i have never been addicted to a channel more than this channel