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README.md

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Tripel is a 15x4+1x5 key ortholinear keyboard PCB.
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The goal of this project is to build a pro-micro powered ortholinear PCB that fits in a standard 60% tray mount case but built from sub-100x100mm PCB boards.
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* Designed to be easy to build with minimal soldering experience.
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* Built from 3 of the same PCB.
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* 7u spacebar bottom row.
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![PCB render](tripel.png)
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# Bill of Materials (BOM)
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* 3 PCBs.
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* 65 MX compatible switches.
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* 65 1n4148 diodes.
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* Pro Micro controller (or compatible alternative).
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* Through-hole USB mini or micro connector.
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* USB cable for Pro Micro.
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# Ordering PCBs
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PCBs can be manufactuered by a variety of online PCB fabricators. You can use [PCBShopper](https://pcbshopper.com/) to search for the best price.
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The zip file in the gerber directory contains the gerber files your fabricator will need to make the PCB [tripel.zip](https://github.com/peej/tripel-keyboard/blob/master/gerber/tripel.zip) PCB.
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When uploading the gerber zip files, use the default PCB settings.
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# Construction
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* You will need 3 PCBs.
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* Solder the diodes onto the underside of each PCB.
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* Solder on the Pro Micro headers (or a 24 pin DIP socket) onto the underside of each PCB, do not solder on the Pro Micros yet.
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* Insert the switches into the plate.
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* Place the three PCBs onto the switches:
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* The left and middle PCBs should the way around indicated by the soldermask.
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* The right PCB should be flipped over left to right.
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* Insert all the switches and ensure that the pins of each switch are correctly coming through the board and are not bent under the PCB.
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* Solder all the switch pins.
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* Solder the solder bridges between the PCBs:
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* Soldering the switches in place ensure that the PCBs line up correctly for soldering the bridges,
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* Solder both 3 pad bridges and both 8 pad bridges on the back of the PCBs.
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* Solder on the Pro Micro:
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* Ensure that you have it the correct way around, the chip side should be face down towards the PCB with the USB port to the right.
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* You might want to remove the plastic from the header pins so that the Pro Micro can be mounted as close to the PCB as possible.
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* Use electrical tape underneath the Pro Micro if you think shorting against the switch pins could be an issue.
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* Solder on the USB connector.
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* Cut your USB cable to length and solder the wires to the pins for the USB connector.
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* Flash the Pro Micro with the firmware, see the [QMK documentation](http://qmk.fm/) on how to build and flash the firmware.
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components/keyboard_parts.dcm

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EESchema-DOCLIB Version 2.0
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#
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$CMP CONN_3X2
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D Symbole general de connecteur
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K CONN
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$ENDCMP
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#
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$CMP DIODE_SCHOTTKY_SOT23
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D Diode schottky
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K DEV DIODE
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$ENDCMP
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#
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$CMP HT7750A
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D HOLTEK setup DC/DC converter
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K HT7750A, stepup, dc-dc, SOT-23
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F datasheets/HT7750A.pdf
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$ENDCMP
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#
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$CMP LDO_REGULATOR
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D HOLTEK setup DC/DC converter
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K HT7750A, stepup, dc-dc, SOT-23
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$ENDCMP
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#
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$CMP LTC4054
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D LTC4054 LINEAR TECHNOLOGY Lipo battery charger
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K LTC4054, Lipo, battery, charger, SOT-23
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F datasheets/LTC405442xf.pdf
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$ENDCMP
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#
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$CMP RN42
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D class 2 bluetooth module
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K RN42, Roving Networks, Microchip
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$ENDCMP
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#
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#End Doc Library

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