video thumbnail 10:56
I Made BIG Mistakes with my USB-C Cable?! (High-Speed)

2025-08-10

[public] 90.4K views, 5.74K likes, dislikes audio only

channel thumbGreatScott!
2560×1440

Go to https://melscience.com/sBfq/ and use the code "SCOTT50" to get 50% off your first month!

Previous video: /youtube/video/Jj6VQgw1ZvM

Previous USB-C Cable video: /youtube/video/ZikvlsVDiQY

Facebook: https://www.facebook.com/greatscottlab

Twitter: https://twitter.com/GreatScottLab

Instagram: https://www.instagram.com/great.scott.lab/

TikTok: https://www.tiktok.com/@greatscottlab

Discord: https://discord.gg/zuAvkAuhsY

Support me for more videos: https://www.patreon.com/GreatScott?ty=h

In this video we will have a final look at USB-C cables. I already created the "perfect" USB-C PD cable that can transfer 240W with minimal losses. But viewers asked for a High-Speed USB-C cable instead. So how hard can it be? Well, let's say shielding, twisted wires, EMI and much more will be topic of this video ;-) Let's get started!

Thanks to Mel Science for sponsoring this video!

0:00 You Dislike my USB-C Cable

2:16 Data Transfer does not work?

4:45 Shielding is IMPORTANT

6:43 Making a High-Speed USB-C Cable

9:04 Twisted Wires are IMPORTANT

10:13 Final Test & Verdict


You Dislike my USB-C Cable
/youtube/video/LOIVrVVYBfA?t=0
Data Transfer does not work?
/youtube/video/LOIVrVVYBfA?t=136
Shielding is IMPORTANT
/youtube/video/LOIVrVVYBfA?t=285
Making a High-Speed USB-C Cable
/youtube/video/LOIVrVVYBfA?t=403
Twisted Wires are IMPORTANT
/youtube/video/LOIVrVVYBfA?t=544
Final Test & Verdict
/youtube/video/LOIVrVVYBfA?t=613
GreatScott! Awesome Electronics Tutorials, Projects and How To´s WARNING!: DO NOT SEND MAIL TO THE ADDRESS GIVEN BY THE IMPRINT! Imprint/Impressum: GreatScott! c/o Block Services Stuttgarter Str. 106 70736 Fellbach WARNING!: DO NOT SEND MAIL TO THE ADDRESS GIVEN BY THE IMPRINT! Disclaimer: The shown videos are for educational & entertainment purposes only. Use the given information at your own risk. Do not work beyond your capability and always hire a professional if you are not sure what you are doing. Remember: Safety first!
/youtube/channel/UC6mIxFTvXkWQVEHPsEdflzQ
Support me for more videos! patreon.com
https://www.patreon.com/GreatScott
I tried finding Hidden Gems on AliExpress AGAIN! (Part 15) 470,374 views
/youtube/video/Jj6VQgw1ZvM
Your USB-C Cable STILL Sucks — I Built a Better One? (DIY or Buy) 458,195 views
/youtube/video/ZikvlsVDiQY