Geeetech

I've been able to upload Marlin through the ISP port of the ATMega 2680. You'll need another Arduino, I did it with a cheap Arduino Uno i found on Amazon, worked fine. It's explained on this page : http://www.gammon.com.au/forum/?id=11635 I think if you'd bootload the ATMega 16U2 (and it isn't fried...

Thank you, I tried, but it's not a problem of driver (works fine with my other Rumba), this is not my video but it's the exact same problem : https://www.youtube.com/watch?feature=youtu.be&v=CcLOmn9jMN4&app=desktop I've read that i should try to use the ISP port in order to see if my CPU has died or...

Hi, I just purchased a new Rumba board a few days ago, I uploaded Marlin to it and everything was working fine. A few days later, I decided to upload a modified version of Marlin but i couldn't get to connect the Rumba with my PC (the light Tx and Rx stayed "on" all the time). I tried to set the pow...