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Some questions about keyboard modding - Page 2

post #11 of 13
go to ledcalc.com to find the best way(s) to wire your leds. i love this site, and i use it for every led project i have. i don't think adding an extra usb cable would be a good idea. it would be safe, but not practical. i think since the ps/2 ports and usb ports are both controlled by the south bridge (correct me if im wrong) that it wouldn't matter whether u took the supply voltage from a separate usb, or the ps/2 cable you're using for the keyboard anyway. good luck and let us know how it goes..
post #12 of 13
Quote:
Originally Posted by eurostyle360 View Post
go to ledcalc.com to find the best way(s) to wire your leds. i love this site, and i use it for every led project i have. i don't think adding an extra usb cable would be a good idea. it would be safe, but not practical. i think since the ps/2 ports and usb ports are both controlled by the south bridge (correct me if im wrong) that it wouldn't matter whether u took the supply voltage from a separate usb, or the ps/2 cable you're using for the keyboard anyway. good luck and let us know how it goes..
If you had the keyboard powered by the PS/2, and the LED's powered by the USB, it would make a difference in how many you can put in the circuit.
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My system
(22 items)
 
  
CPUMotherboardGraphicsRAM
Intel Core i5 3770k @ 4.7Ghz ASRock Z77 Pro3 Powercolor Radeon HD7950 3GB @ 1150/1350 4x4GB G.Skill Ares 2000Mhz CL9 
Hard DriveHard DriveHard DriveOptical Drive
Samsung 840 250GB Western Digital Black 1TB WD1002FAEX Samsung Spinpoint EcoGreen 2TB Pioneer DVR-220LBKS 
CoolingCoolingCoolingOS
Noctua NH-D14 Scythe Gentle Typhoon 1850rpm Corsair AF140 Quiet Edition Arch Linux x86-64, amdgpu 
OSMonitorMonitorKeyboard
Windows 10 Bloatfree Edition BenQ G2220HD BenQ G2020HD Ducky Shine III Year of the Snake, Cherry Blue 
PowerCaseMouseMouse Pad
Silverstone Strider Plus 600w Lian Li Lancool PC-K60 SteelSeries Sensei Professional Artisan Hien Mid Japan Black Large 
AudioOther
ASUS Xonar DX NZXT Sentry Mesh 30w Fan Controller 
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post #13 of 13
Quote:
Originally Posted by Brutuz View Post
If you had the keyboard powered by the PS/2, and the LED's powered by the USB, it would make a difference in how many you can put in the circuit.
again im not sure thats true.. you could make the initial power source for the LEDs come from ps2 by running it in parallel (at least to first get the power). this wouldn't steal any power from the keyboard, just require more power from the mobo.
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