Ardruino uno questions

[stympy9]

Hello martirius i have a problem after chargue the program in audriono uno and pass to DFU Mode the ardruino end in this mode

I think I need one step more

to finish, you have some diagram of the pinout of the cabinet lights

thanks for your attention

[martirius]

Hi @stympy9 ,
you dont have to pass the in DFU mode of Arduino Uno because you will have another USB port, and you have to use it instead of the official on board(look ath the image below)

You will have to attach your USB cable to the new USB port (the upper right in this schema)