https://youtu.be/pJXUnwhiCj8
Simucube 2 Tutorials #8: Troubleshooting and LED Blink Codes

https://youtu.be/pJXUnwhiCj8
https://youtu.be/uw8CmSJWcRo
https://youtu.be/r5_S7rPCkNk
https://youtu.be/yAUBBFMwwR8
https://youtu.be/Lr_sYxbbSXQ
https://youtu.be/Jv2h1eTtD0s
https://youtu.be/8HYjLu_kaUE
https://www.youtube.com/watch?v=DYQBVQCnyrc&list=PL0B_00dD8O07uQzbtUUthHnUyP2q73-ec&index=1