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2 layers195 × 148 mmKeyModule R, the printed circuit board in 3D

KeyModule R

cho45/Keble5

Keyboard project

Size
195 × 148 mm
Copper layers
2
Thickness
1.6 mm
Parts
110
Nets
73
Pads
394
Tracks, vias
789, 6
Routed
Yes
KiCad
KiCad 4
Created
29 Aug 2016
Updated
24 Mar 2018

Overview

KeyModule R is an open-source printed circuit board by cho45, from the cho45/Keble repository on GitHub. It is a 2-layer board of 195 × 148 mm with 110 parts on 73 nets, routed with 789 tracks and 6 vias.

It is built around the MCP23017-E/SS and RJ45. Its parts include 1 capacitor, 1 IC and 1 connector.

Main components

2

README

README.md

Keble

My Keyboard project

keyboard

Schematic/PCB Project

This is KiCAD project.

Open Root.sch for viewing overall schematic.

Using Hardwares

  • BLE Nano (nRF51288)
  • MCP23017 (I2C GPIO)
  • Gateron Switches (Cherry MX compatible)

Firmware

https://developer.mbed.org/users/cho45/code/keyboard/

Parts

110
QtyValueFootprintReferences
48DDiodes_ThroughHole:Diode_DO-35_SOD27_Horizontal_RM10D_41, D_R1, D_R2, D_R10, D_R11, D_R12, D_R13, D_R14, D_R15, D_R16, D_R20, D_R21, D_R22, D_R23, D_R24, D_R25 +32
48SW_PUSHmyfootprint:MX1ASW_64, SW_R1, SW_R2, SW_R10, SW_R11, SW_R12, SW_R13, SW_R14, SW_R15, SW_R16, SW_R20, SW_R21, SW_R22, SW_R23, SW_R24, SW_R25 +32
10.1uCapacitors_ThroughHole:C_Rect_L4_W2.5_P2.5C2
1CONN_01X06Socket_Strips:Socket_Strip_Straight_1x06CONBUS2
1MCP23017Housings_DIP:DIP-28_W7.62mm_LongPadsU1
1RJ45myfootprint:RJ45-7810-XPXCJ2

The 100 most common of 110 parts.

Questions

How big is the KeyModule R PCB?

It measures 195 × 148 mm and has 2 copper layers, 1.6 mm thick.

What parts does the KeyModule R use?

110 parts, built around the MCP23017-E/SS and RJ45. 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 KeyModule R KiCad files?

From the cho45/Keble repository on GitHub, at the commit this page was made from: the board is KeyModule-R.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.

Can I use the KeyModule R design in my own project?

Its repository states no licence, so its author keeps all rights: ask cho45 before reusing the design.

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