Electronics > Projects, Designs, and Technical Stuff
DIY KVM SWITCH (USB3/DP/DVI/Audio)
3dgeo:
Hello,
I came a cross TS3L501E and want to play with it by making a KVM.
I'm hoping to get away with 2 layer PCB and hoping noise will not be an issue due to signals being diff pairs.
Maybe there is a better ICs for that? Maybe I'm missing something? I've never played with DP/DVI signals.
Here is my crude diagram (will power it from USB input):
DP part:
USB part:
girishv:
Checkout TS3DV642 at https://www.ti.com/product/TS3DV642 TS3DV642 allows you to switch DVI, DisplayPort, HDMI, LVDS, TMDS, VGA. Very inexpensive.
There is an evaluation module https://www.ti.com/tool/TS3DV642EVM You will find a schematic in the user guide of evaluation module.
3dgeo:
--- Quote from: girishv on July 25, 2020, 02:30:38 pm ---Checkout TS3DV642 at https://www.ti.com/product/TS3DV642. TS3DV642 allows you to switch DVI, DisplayPort, HDMI, LVDS, TMDS, VGA. Very inexpensive.
There is an evaluation module https://www.ti.com/tool/TS3DV642EVM. You will find a schematic in the user guide of evaluation module.
--- End quote ---
Thanks! Way better IC, tho its pinout is terrible, will need to jump layer to route it out. Sloppy job by TI...
girishv:
--- Quote from: 3dgeo on July 25, 2020, 03:02:36 pm ---
--- Quote from: girishv on July 25, 2020, 02:30:38 pm ---Checkout TS3DV642 at https://www.ti.com/product/TS3DV642. TS3DV642 allows you to switch DVI, DisplayPort, HDMI, LVDS, TMDS, VGA. Very inexpensive.
There is an evaluation module https://www.ti.com/tool/TS3DV642EVM. You will find a schematic in the user guide of evaluation module.
--- End quote ---
Thanks! Way better IC, tho its pinout is terrible, will need to jump layer to route it out. Sloppy job by TI...
--- End quote ---
I have been eyeing this since 3-4 years for a DIY KVM switch. I was only looking for keyboard, display and mouse switching. I never got around to building one.
I was considering using a DPDT USB switching IC with a separate USB hub for sharing one USB connection between keyboard and mouse.
Something like https://www.onsemi.com/products/interfaces/analog-switches/fsusb42
Checkout https://www.microchip.com/ParamChartSearch/Chart.aspx?branchID=1622 for some inexpensive USB hubs.
3dgeo:
My monitor has built in hub, but probably it's be good idea to add extra one.
I also want to add RNF24 module so I can use it with my little NRFs network...
Thanks again.
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