I have an arduino R1 and I needto reflash the firmware for the serial. what I did was: I soldered the resistor into Arduino's Atmega8u2 (the very first one) and then I reset atmega8u2 and by wiring the pins as mentioned in: https://www.arduino.cc/en/Hacking/DFUProgramming8U2 I can confirm it via t…

DFU atmegau82 even if in DFU mode dfu-programmer does not recognize it

Topic		Replies	Views
Error flashing Arduinome serial number via DFU Programming	6	702	May 5, 2021
dfu-programmer says no device present, but lsusb says DFU device _is_ present 3rd Party Boards	2	3398	May 6, 2021
DCcduino UNO R3 - DFU Mode IDE 1.x	2	1054	May 5, 2021
Uno DFU Programming Problems IDE 1.x	6	7881	May 5, 2021
Upload firmware su atmega8u2 3rd Party Boards	1	889	May 6, 2021