Search found 3 matches

by mr-miky
Mon May 01, 2017 11:17 pm
Forum: Control Board
Topic: GT2560 Rev A usb power BUG
Replies: 1
Views: 4233

GT2560 Rev A usb power BUG

Sometimes I wonder if it is so difficult to copy a schematic .... :o It's been a while since I was wondering why the 3-in-1 3D printer control box gives power to the usb peripherals when my pc is turned off. Obviously the 3-in-1 3D printer control box is on and the pc off. Today I have investigated ...
by mr-miky
Fri Aug 19, 2016 3:12 am
Forum: Control Board
Topic: PWM Fan not stopping
Replies: 7
Views: 10513

Re: PWM Fan not stopping

I also had the same problem. I had solved simply have put a resistor 150 ohm 1W in parallel to the fan. I checked several times with the oscilloscope but I could not understand how the damn fan could turn. If the fan is stopped by hand he could not take it to go. If the fan was turning slowly even i...
by mr-miky
Fri Aug 19, 2016 3:12 am
Forum: Control Board
Topic: PWM Fan not stopping
Replies: 7
Views: 10513

Re: PWM Fan not stopping

I also had the same problem. I had solved simply have put a resistor 150 ohm 1W in parallel to the fan. I checked several times with the oscilloscope but I could not understand how the damn fan could turn. If the fan is stopped by hand he could not take it to go. If the fan was turning slowly even i...