AnotherMaker | 9 Pin Cable tester @AnotherMaker | Uploaded May 2024 | Updated October 2024, 16 hours ago.
Thanks to PCBWay for sponsoring this video. You can get these PCBs at pcbway.com/project/shareproject/9_Pin_Cable_Tester_f002ae4e.html

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

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

Follow up with new modes - youtu.be/EUoBqu93dfM

If you're interested in getting pcbs, using this link pcbway.com/setinvite.aspx?inviteid=446230 for my friends over at PCBWay.com is a huge help to the channel.