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4 layers100 × 75 mmDisplayport Module, the printed circuit board in 3D

Displayport Module

duplow/setup-kvm-3

Chaveador KVM para até 3 PCs/aparelhos diferentes conectados simultaneamente, podendo alternar entre si.

Size
100 × 75 mm
Copper layers
4
Thickness
1.6 mm
Parts
19
Nets
124
Pads
354
Tracks, vias
544, 40
Pours
2
Routed
Yes
KiCad
KiCad 7 (file 20221018)
Created
4 Feb 2023
Updated
29 Dec 2024

Overview

Displayport Module is an open-source printed circuit board by duplow, from the duplow/setup-kvm-3 repository on GitHub, published under the MIT licence. It is a 4-layer board of 100 × 75 mm with 19 parts on 124 nets, routed with 544 tracks and 40 vias.

It is built around the HD3SS215IRTQR. Its parts include 5 resistors, 3 diodes and 2 switches.

Main components

1

README

README.md

setup-kvm-3

Chaveador KVM (Keyboard Video Mouse) para até 3 PCs/aparelhos diferentes conectados simultaneamente, podendo alternar entre sí.

KVM Switch Render! Imagem ilustrativa

Cada aparelho conectado contará com 3 entradas HDMI, 3 entradas DisplayPort e 1 entrada USB 3.0.

O projeto é montado em cima de um Arduino para fazer o chaveamento entre os aparelhos via teclado, caso opte por um chaveamento apenas via botão fisico o Arduino não será necessário.

O chavemento será feito pelo botão físico no aparelho ou via um teclado USB usando os atalhos:

  • CTRL+SHIFT+NUM+1 para o aparelho número 1
  • CTRL+SHIFT+NUM+2 para o aparelho número 2
  • CTRL+SHIFT+NUM+3 para o aparelho número 3

e assim por diante


Instruções

Fabricação

  • espessura minima das trilhas (width): 0.2mm
  • espaçamento minimo (min clearance): 0.2mm (usado 0.25m)
  • fotolito: 10.000 DPI

Módulos

Materiais

Componentes necessários para um KVM de até 3 aparelhos:

  • Arduino qualquer modelo (opcional)
  • 70x Buffers SN74HC541N (6 por HDMI, 6 por DisplayPort e 2 por USB)
  • 4x Conectores USB 3.0 DIP fêmea
  • 9x Conectores HDMI fêmea link de venda
  • 9x Conectores DisplayPort DIP fêmea
  • 4x Conectores P2 de áudio e microfone link de venda

É possível substituir os buffers SN74HC541N por multiplexadores 74HC4052, porém será necessário muitos deles para fazer o mesmo trabalho, para cada SN74HC541N será necessário mais ou menos 4 multiplexadores 74HC4052.

TODO: Colocar o link para o BOM

Esquemas

Placa USB Placa USB!

Montagem

Em desenvolvimento

Parts

19
QtyValueFootprintReferences
3Connector DP IN 47272-0024Connector_Displayport:47272-0024DI1, DI2, DI3
3LEDLED_SMD:LED_0805_2012Metric_Pad1.15x1.40mm_HandSolderD1, D2, D3
3R75Resistor_SMD:R_0805_2012MetricR1, R2, R3
210KResistor_SMD:R_0805_2012MetricR4, R5
2HD3SS215IRTQRPackage_DFN_QFN:QFN-56-1EP_8x8mm_P0.5mm_EP4.3x4.3mm_ThermalViasS1, S2
1Connector DP OUT 47272-0024Connector_Displayport:47272-0024DO1

The 14 most common of 19 parts.

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Questions

How big is the Displayport Module PCB?

It measures 100 × 75 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Displayport Module use?

19 parts, built around the HD3SS215IRTQR. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Displayport Module KiCad files?

From the duplow/setup-kvm-3 repository on GitHub, at the commit this page was made from: the board is projects/Displayport Module/Displayport Module.kicad_pcb and its schematic projects/Controller Module/Controller Module.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Displayport Module design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).