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Trouble with LED button wiring
PL1:
--- Quote from: ShadeValryn on October 29, 2014, 10:03:51 pm ---Yeah... the thing is, i'm actually going to put a gigabyte brix pro into the control panel, effectively turning it into a portable arcade station. Any other ideas on how to ground it?
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Did you already buy it?
This review mentions potential thermal and fan noise issues. :dunno
If you already have the brix pro, you'll need to test to see if there is some sort of ground isolation between the input power and USB ground.
With power removed, check for continuity between the USB port shell and the outer ring of the power input socket.
If there is continuity, you should be able to piggy-back on the input voltage using a splitter cable and a voltage divider circuit to turn the 19VDC input into 12VDC for the LEDs.
If no continuity, I recommend that you consider dropping the "buttons turn off when pressed" feature and just have them lit all the time using the wall-wart or other suitable power source.
Scott
ShadeValryn:
--- Quote from: PL1 on October 30, 2014, 01:31:42 pm ---
--- Quote from: ShadeValryn on October 29, 2014, 10:03:51 pm ---Yeah... the thing is, i'm actually going to put a gigabyte brix pro into the control panel, effectively turning it into a portable arcade station. Any other ideas on how to ground it?
--- End quote ---
Did you already buy it?
This review mentions potential thermal and fan noise issues. :dunno
If you already have the brix pro, you'll need to test to see if there is some sort of ground isolation between the input power and USB ground.
With power removed, check for continuity between the USB port shell and the outer ring of the power input socket.
If there is continuity, you should be able to piggy-back on the input voltage using a splitter cable and a voltage divider circuit to turn the 19VDC input into 12VDC for the LEDs.
If no continuity, I recommend that you consider dropping the "buttons turn off when pressed" feature and just have them lit all the time using the wall-wart or other suitable power source.
Scott
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I have not actually bought it, and I have considered trying to build a mini itx system into the control panel instead and install a mesh in the front of the control panel with a line of 80mm fans. Maybe I'll go that route so I can have an easier time with this LED issue since I'll have a regular ATX PSU.
yotsuya:
Hadn't heard of the Brix before. Seems like a lot of coin to drop on an emulation station, but you WOULD be near the top of the technology curve.
mvolke1:
If you wanted to say heck with it, you could just wire each individual LED to a bunch and twist it together. You'll have more wires, but you could save yourself some headaches.
ShadeValryn:
--- Quote from: yotsuya on October 30, 2014, 03:37:12 pm ---Hadn't heard of the Brix before. Seems like a lot of coin to drop on an emulation station, but you WOULD be near the top of the technology curve.
--- End quote ---
Well the i5 brix pro with the 4570r would handle dolphin perfectly. At that price point, it's not too bad to achieve that goal. The 760 version is the one that thermal throttles sooooo badly. But for just emulating, the one I mentioned should do okay inside the control panel. I still might cut some exhaust ports toward the front though.