Thanks to PCBWay for sponsoring this video. You can get these PCBs at https://www.pcbway.com/project/sharep...

Thanks to you all for some great feedback.

This project requires
Arduino Nano - https://amzn.to/3ysygOz
18 @ 5mm LEDs - https://amzn.to/3WQ7TvY
9 @ 330 ohm resistors - https://amzn.to/4boEXQi
4 DE-9 connectors - https://amzn.to/3QSAUmT

Optional parts:
Female Headers for Nano & screen https://amzn.to/3UMBFPF
7 Segment Display - https://amzn.to/4c25rqP
Network cable tester - https://amzn.to/3K4ua1H
Button between A6 and Ground for changing modes - https://amzn.to/4az7dys

   / @simpleelectronics  

If you're interested in getting pcbs, using this link https://www.pcbway.com/setinvite.aspx... for my friends over at PCBWay.com is a huge help to the channel.