Pin connections and Arduino IDE pin control numbers. Flora follows the Arduino Leonardo pin numbers for SPI: MISO, MOSI, and SCLK which are on Flora's ICSP area (the six holes inside the circle).
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Arduino Flora VS1053 Other D0 RX - IR Data D1 TX - free D3 SDA - Neopixel D6 D6 DREQ D9 D9 XDCS D10 D10 RESET D12 D12 CS D14 ICSP1/MISO MISO D15 ICSP3/SCLK SCLK D16 ICSP4/MOSI MOSI
You can see there is only one digital pin left (TX/D1) if the Neopixel and IR control are used. That is fine for this project, if you wish to add more, the TX pin could be used to time additional Neopixels for example.
Above is the wired circuit, ready to install in the costume.
