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.
This guide was first published on Oct 24, 2013. It was last updated on Oct 24, 2013.
This page (Wiring) was last updated on Aug 13, 2020.