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# build guide for pcba | ||
1. Install 4 heat inserts as the following picture. | ||
![trackball-cup-01](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/trackball-cup-01.jpg?raw=true) | ||
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2. Adhere 3 ceramic balls to cavities by using superglue etc. | ||
![trackball-cup-02](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/trackball-cup-02.jpg?raw=true) | ||
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3. Install trackball cup to pcba with M2 4mm screws. Here, install trackball sensor mirror, too. | ||
![trackball-cup-03](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/trackball-cup-03.jpg?raw=true) | ||
![trackball-cup-04](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/trackball-cup-04.jpg?raw=true) | ||
1. Prepare the parts. | ||
![pcba01](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba01.jpg?raw=true) | ||
1. Solder leds. Put the cut-off leg of led at the pad with a white dot. | ||
![pcba02](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba02.jpg?raw=true) | ||
![pcba03](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba03.jpg?raw=true) | ||
1. Put a little solder on the pads for switch sockets. | ||
![pcba04](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba04.jpg?raw=true) | ||
1. Solder switch sockets. | ||
![pcba05](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba05.jpg?raw=true) | ||
1. Put trackball sensor at the bottom of pcb such as the lens faces the direction of space key, and solder it. | ||
![pcba06](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba06.jpg?raw=true) | ||
![pcba07](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba07.jpg?raw=true) | ||
1. Put rotary encoder, and solder it. | ||
![pcba08](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba08.jpg?raw=true) | ||
![pcba09](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba09.jpg?raw=true) | ||
1. Put and screw knob to encoder. | ||
![pcba10](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba10.jpg?raw=true) | ||
1. Put and push ceramic balls to three caves of trackball cup. | ||
![pcba11](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba11.jpg?raw=true) | ||
![pcba12](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba12.jpg?raw=true) | ||
1. Push heat insert into the hole with the bottom of trackball cup by the solder iron. | ||
![pcba13](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba13.jpg?raw=true) | ||
![pcba14](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba14.jpg?raw=true) | ||
1. Put sensor mirror to trackball sensor. | ||
![pcba15](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba15.jpg?raw=true) | ||
1. Cover sensor mirror with trackball cup. Then, screw trackball cup from the bottom of pcb. | ||
![pcba16](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba16.jpg?raw=true) | ||
![pcba17](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba17.jpg?raw=true) | ||
1. Check your work. | ||
![pcba18](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba18.jpg?raw=true) | ||
![pcba19](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba19.jpg?raw=true) | ||
1. Finally, put your favorite pcb-mounted stabs. | ||
![pcba20](https://github.com/bbrfkr/dynamis-keyboard/blob/images/images/pcba20.jpg?raw=true) |
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