2021-02-17 13:32:48 +00:00
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# Sourcecode for a skirt with blinking LEDs
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## Hardware
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* Arduino Uno or Arduino Nano
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* 6 Strips of 15 WS2812 or equivalent
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* rotary encoder
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* MPU6050 inertial measuring unit
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* three colored LEDs
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* 220Ohm resistor
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* 100µF 50V capacitor
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## Wiring
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| Arduino Pin | Destination device | Destination Pin |
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|-------------|---------------------|-----------------|
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| A2 | rotary encoder | CLK |
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| A3 | rotary encoder | DT |
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| A4 | MPU6050 | SDA |
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| A5 | MPU6050 | SCL |
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2021-02-17 14:50:46 +00:00
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| D2 | rotary encoder | SW |
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2021-02-17 13:32:48 +00:00
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| D3 | led yellow | positive |
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| D4 | led blue | positive |
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| D5 | led red | positive |
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| D6 | 1st strip of WS2812 | Din |
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| D7 | 2nd strip of WS2812 | Din |
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| D8 | 3rd strip of WS2812 | Din |
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| D9 | 4th strip of WS2812 | Din |
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| D10 | 5th strip of WS2812 | Din |
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| D11 | 6th strip of WS2812 | Din |
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2021-02-17 14:50:46 +00:00
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## PCB Layout
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### Top
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#### Devices
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* A02 through O08 Arduino Nano
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* S01 through W01 rotary encoder
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* J09 to J10 led yellow
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* I09 to I10 led blue
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* H09 to H10 led red
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##### Connections
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| Begin | End | How | Signal | What |
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|-------|--------------|-------|--------|-------------------------|
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| P09 | X02 | Wire | 5V | 5V for MPU6050 |
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| Q09 | X04 | Wire | GND | GND for MPU6050 |
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| R09 | I03 | Wire | SCL | SCL for MPU6050 |
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| S09 | H03 | Wire | SDA | SDA for MPU6050 |
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### Bottom
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#### Devices
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* B10 through I10 MPU6050
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#### Connections
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| Begin | End | How | Signal | What |
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|-------|--------------|--------|--------|--------------------------------------|
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| M02 | Pad 02 left | wire | 5V | 5V pin on arduino to common 5v pad |
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| M02 | Pad 02 right | wire | 5V | 5V pin on arduino to common 5v pad |
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| K02 | Pad 04 left | wire | GND | GND pin on arduino to common GND pad |
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| K02 | Pad 04 right | wire | GND | GND pin on arduino to common GND pad |
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| F02 | Pad 04 left | wire | GND | GND for rotary encoder |
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| E02 | Pad 02 left | wire | 5V | + rotary encoder |
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| D02 | N07 | Wire | SW | button in rotary encoder to D2 |
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| C02 | R03 | Wire | DT | encoder to A3 |
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| B02 | S03 | Wire | CLK | encoder to A2 |
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