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docs: shuffle readme stuff and add a nice banner
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README.md
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README.md
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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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## 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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## 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" />