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| 1 | +Tripel is a 15x4+1x5 key ortholinear keyboard PCB. |
| 2 | + |
| 3 | +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. |
| 4 | + |
| 5 | +* Designed to be easy to build with minimal soldering experience. |
| 6 | +* Built from 3 of the same PCB. |
| 7 | +* 7u spacebar bottom row. |
| 8 | + |
| 9 | + |
| 10 | + |
| 11 | +# Bill of Materials (BOM) |
| 12 | + |
| 13 | +* 3 PCBs. |
| 14 | +* 65 MX compatible switches. |
| 15 | +* 65 1n4148 diodes. |
| 16 | +* Pro Micro controller (or compatible alternative). |
| 17 | +* Through-hole USB mini or micro connector. |
| 18 | +* USB cable for Pro Micro. |
| 19 | + |
| 20 | +# Ordering PCBs |
| 21 | + |
| 22 | +PCBs can be manufactuered by a variety of online PCB fabricators. You can use [PCBShopper](https://pcbshopper.com/) to search for the best price. |
| 23 | + |
| 24 | +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. |
| 25 | + |
| 26 | +When uploading the gerber zip files, use the default PCB settings. |
| 27 | + |
| 28 | +# Construction |
| 29 | + |
| 30 | +* You will need 3 PCBs. |
| 31 | +* Solder the diodes onto the underside of each PCB. |
| 32 | +* 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. |
| 33 | +* Insert the switches into the plate. |
| 34 | +* Place the three PCBs onto the switches: |
| 35 | + * The left and middle PCBs should the way around indicated by the soldermask. |
| 36 | + * The right PCB should be flipped over left to right. |
| 37 | + * 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. |
| 38 | +* Solder all the switch pins. |
| 39 | +* Solder the solder bridges between the PCBs: |
| 40 | + * Soldering the switches in place ensure that the PCBs line up correctly for soldering the bridges, |
| 41 | + * Solder both 3 pad bridges and both 8 pad bridges on the back of the PCBs. |
| 42 | +* Solder on the Pro Micro: |
| 43 | + * 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. |
| 44 | + * 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. |
| 45 | + * Use electrical tape underneath the Pro Micro if you think shorting against the switch pins could be an issue. |
| 46 | +* Solder on the USB connector. |
| 47 | +* Cut your USB cable to length and solder the wires to the pins for the USB connector. |
| 48 | +* Flash the Pro Micro with the firmware, see the [QMK documentation](http://qmk.fm/) on how to build and flash the firmware. |
| 49 | + |
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