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# PxlBoard

     

       
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<div align="center">

     

       
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  <img src="https://raw.githubusercontent.com/taciturnaxolotl/pxlboard/main/.github/images/front.png" width="41%" />

     

       
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  <img src="https://raw.githubusercontent.com/taciturnaxolotl/pxlboard/main/.github/images/back.png" width="41%" />

     

       
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</div>

     

       
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![the back of the pcb held in my hand over some black eyed susans](https://raw.githubusercontent.com/taciturnaxolotl/pxlboard/main/.github/images/banner.jpg)

     

       
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## BOM

     

       
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> If you want an iteractive version use [`kicanvas`](https://kicanvas.org/?github=https%3A%2F%2Fgithub.com%2Ftaciturnaxolotl%2Fpxlboard%2Fblob%2Fmain%2Fkicad%2Fpxlboard.kicad_pro)!

     

       
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![schematic](https://raw.githubusercontent.com/taciturnaxolotl/pxlboard/main/.github/images/schematic.svg)

     

       
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![pcb](https://raw.githubusercontent.com/taciturnaxolotl/pxlboard/main/.github/images/pcb.svg)

     

       
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## Build Notes

     

       
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Wokwi link: [https://wokwi.com/projects/429914092020158465](https://wokwi.com/projects/429914092020158465)

     

       
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<div align="center">

     

       
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  <img src="https://raw.githubusercontent.com/taciturnaxolotl/pxlboard/main/.github/images/front.png" width="30%" />

     

       
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  <img src="https://raw.githubusercontent.com/taciturnaxolotl/pxlboard/main/.github/images/pcb.svg" width="38%" />

     

       
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  <img src="https://raw.githubusercontent.com/taciturnaxolotl/pxlboard/main/.github/images/back.png" width="30%" />

     

       
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</div>

     

       
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### Pinout & Wiring Diagram

     

       
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### Pinout

     

       
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#### XIAO RP2040 Connections

     

       
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| SCL          | XIAO D5      | I2C Clock            |

     

       
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| INT1         | -            | Interrupt (not used) |

     

       
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| INT2         | -            | Interrupt (not used) |

     

       
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#### Wiring Diagram

     

       
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```mermaid

     

       
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graph TD

     

       
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    XIAO[XIAO RP2040] -- SDA --> LIS3D[LIS3DHTR Accelerometer]

     

       
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    XIAO -- SCL --> LIS3D

     

       
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    XIAO -- 3.3V --> LIS3D

     

       
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    XIAO -- GND --> LIS3D

     

       
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    XIAO -- 5V --> LEDS[SK6812 LED Grid]

     

       
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    XIAO -- GND --> LEDS

     

       
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    XIAO -- D7/GPIO1 --> LEDS

     

       
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    LEDS -- Data chain --> LED1[LED #1]

     

       
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    LED1 --> LED2[LED #2]

     

       
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    LED2 --> LED3[LED #3]

     

       
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    LED3 --> DOT["..."]

     

       
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    DOT --> LED64[LED #64]

     

       
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    classDef mcu fill:#f96,stroke:#333,stroke-width:2px;

     

       
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    classDef sensor fill:#bbf,stroke:#33f,stroke-width:1px;

     

       
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    classDef led fill:#9f9,stroke:#3a3,stroke-width:1px;

     

       
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    class XIAO mcu;

     

       
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    class LIS3D sensor;

     

       
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    class LEDS,LED1,LED2,LED3,LED64 led;

     

       
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```

     

       
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<p align="center">

     

       
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	<img src="https://raw.githubusercontent.com/taciturnaxolotl/carriage/master/.github/images/line-break.svg" />