The connections to the ESP32 Dev board should be:

• SCK / BCK-> D3
• DAT / dat_out -> D4
• SDB / dat_in -> D5
• MCK -> D0
• FSA / ws -> D6
• SCL -> D17
• SDA -> D18
• 5V -> Not connected

How to use with Faust

• Remove #define HAS_MAIN
• Put the option use_apll
• Put: `

pin_config = {
	.mck_io_num = 0,
	.bck_io_num = 3,
	.ws_io_num = 6,
	.data_out_num = 4,
	.data_in_num = 5
};

• Remove the next lines:

PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1);
REG_WRITE(PIN_CTRL, 0xFFFFFFF0);