vertex k8400 dual . firmware 1.4 h2 was working but had weird stepper issues on certain xy movements
and 1.5h2 was avail. so i tried to flash that.
midway during update the power burped and computer rebooted
printer motherboard is no longer recognizable to windows
– com3- printer shows this for board id but cant talk to it . manually or with arduino ide
BN: Unknown board
VID: 0403
PID: 6001
SN: Upload any sketch to obtain it
uploading direct to unknown device ( often it doesnt show that id above)
Low memory available, stability problems may occur.
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_ReceiveMessage(): timeout
avrdude: stk500v2_getsync(): timeout communicating with programmer
An error occurred while uploading the sketch
----using arduinoatmega2560 as isp for programmer on com 4
BN: Arduino/Genuino Mega or Mega 2560
VID: 2341
PID: 0042
SN: 55736313437351E02002
avrdude: Yikes! Invalid device signature.
Double check connections and try again, or use -F to override
this check.
also tried using tinusb programmer adafruitclone but later found out it can not flash an atmega so got an atmega to flash the atmega based printer board with .
https://cdn.discordapp.com/attachments/463944136974663690/464333012239384576/image.jpg
stillbroken.
new to arduino
help please