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Remote-PC-Switch
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Remote PC Switch
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Remote-PC-Switch
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# remote-pc-switch Remote PC Switch I am currently trying to realize the following project: I have a server rack with a number of computers (gaming, work, ..). Each computer has two monitor outs (Displayport 1.4, 4K@144Hz) and a single peripheral out (USB-C 10Gbps). Important bandwith parameters: - Displayport: min. **1.4 4K@240Hz via DSC**, ideal: 2.1 4K@240Hz no compression capable - USB-C: min. **5Gbps** / ideal 10Gbps Now I want to make those computers available at various locations (2-3). Distance varies between 10 - 30+ meters. ~~There are already a number of fiber optic solutions out there to solve the distance issue (https://fibercommand.com, https://www.heyoptics.net/) and I could basically have one of those multi cables to each terminal location:~~ ~~**MPO Fiber Connection**~~ <img width="1151" alt="image" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/5a5c180c-fc97-4453-bf09-654362d0de5e"> **Both potential fibercommand and heyoptics solutions and especially customer support have proven "complicated". Will switch to a different route for now with single fiber cable solutions for DP and USB. Will update soon after cable compatibility tests.** What is missing now is basically a switching unit in my server rack that allows me to say ComputerXYZ passthrough to TerminalXYZ. Since are no 4K@144Hz units available I decided to built a switch myself. This project will be periodically updated until completion! **Updates** **2024-06-21** - VERSION 1.0 My setup is now (semi) final. Installed everything in my rack and it is working! Hardware Components used: + **Retractable 2U Tray** (Digitus, DN-19-TRAY-2-450-SW) + **ESP32** (Lilygo T-ETH-Lite + POE Shield) + 6x **DP2.1 Switch** (2x1, Bi-Directional) + 4x **USB-C Switch** (2x1, Bi-Directional) 3D Printables: + **[1.5U Case Rackmount Case for Digitus](https://makerworld.com/en/models/505784)** + **[Desk Mount for Control Display](https://makerworld.com/en/models/503075)** ESPHome Scripts: + **PC Controller** (esphome/pc_control.yaml) + **Desk Controller** (esphome/desk_control.yaml) **Device** <img width="823" alt="Screenshot 2024-06-21 at 07 59 36" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/2e9d59a7-cae9-4c87-9da3-6b6a1d0a9133"> **Wireing** <img width="597" alt="Screenshot 2024-06-21 at 08 00 33" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/b1654824-a89f-458b-9d94-9161c525c103"> **Switching at Terminals** To switch between the PCs at the terminals I use another ESP32 running ESPHome and hooked up to Home Assistant.  --- **2024-04-22** Some issues emerged in the testing setup especially trying to run full 4K 240Hz stable using fibre connections and a single switch (!):  **2024-04-20** Changed some components around, added Mini-DP support. Testing GIGABYTE AORUS FO32U2P (DP2.1 OLED!) monitor and trying to find a compatible fibre DP cable that works long distance with 4K@240Hz (15M):  **2024-04-03** Wiring scheme and test setup complete. All assembly parts printed. Now to final testing:  <img width="1678" alt="Screenshot 2024-04-03 at 07 58 05" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/93d60018-cd4a-4a78-ab48-1e2c54afae33"> **2024-03-03** USB-C 2x1 switch testing finalized. Updated wiring for 4x PC inputs to 2x Terminal outputs:  **2024-02-02** Found a good way to internally connect both splitters without producing much cable-length-waste (flat ribbon extension cables): <img width="1006" alt="Screenshot 2024-02-02 at 15 55 30" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/cca0eb70-39d8-4c6e-82bb-556b54c42b4c"> **2024-02-01** Just a quick update. 1U rack mount design is on-going and in current prototyping phase: <img width="1228" alt="Screenshot 2024-02-01 at 09 33 20" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/4de433f8-9092-4467-8cbd-eb466006e6fd"> **2024-01-21** Updated and simplified the ESP32 control scheme. Only 2 Optocouplers and 2 Controls PINs required now. <img width="1179" alt="Screenshot 2024-01-22 at 12 03 27" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/e428fb1a-c30e-4189-b233-f0e1b8d4c131"> **2024-01-21** Complete wireing finalized and optical equipment assembled: <img width="944" alt="Screenshot 2024-01-21 at 12 51 43" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/79a1bded-2a69-4a56-a65c-0c4b128abae0"> <img width="1757" alt="Screenshot 2024-01-21 at 12 53 29" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/fadeb416-dd41-4f8c-a9c6-73c30b8753ff"> **2024-01-18** Extended the diagram to support "Matrix" capability. Before only one terminal could be used simoultaneously. Now both can be used at the same time (A -> B, B -> A or A -> A, B -> B). <img width="1094" alt="image" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/7d6e0627-242f-4d0f-b22a-03c628b9888e"> **2024-01-16** Hooked up DP2.1 switch to ESP32. Switching and read-out of current active port successful!    **2024-01-13** Disassembled a low cost DP2.1 (2x1) switch and established wireing diagram:  **2024-01-12** Purchased test components. Works with two DP2.1 2x1 switches in a row as intended:  **2024-01-10** Established initial schematic: <img width="1206" alt="Screenshot 2024-01-16 at 14 21 27" src="https://github.com/pixelwave/Remote-PC-Switch/assets/19491804/8dd494a7-66f0-4983-b391-3d5b4106e9e3">
