XIAO ESP32S3 High-Performance Dev Board with Wi-Fi and BLE

Compact Seeed Studio XIAO board based on ESP32-S3 with dual-core Xtensa processor, 2.4GHz Wi-Fi, and BLE 5.0. Arduino compatible.

5V
VBUS power input/output. Seeed XIAO ESP32S3 wiki lists 5V as VBUS and describes it as power input/output from the USB port.
Type · powerVoltage · 5V from USB port; may be used as voltage input with external protection as described by Seeed.
GND
Power/data/signal ground.
Type · groundVoltage · 0V
3V3
Regulated 3.3V output from the onboard regulator.
Type · powerVoltage · 3.3V output; Seeed states up to 700mA draw.
D0 / GPIO1
GPIO and ADC input; table lists D0 as Analog, GPIO1, TOUCH1.
Type · gpioVoltage · 3.3V logic
D1 / GPIO2
GPIO and ADC input; table lists D1 as Analog, GPIO2, TOUCH2.
Type · gpioVoltage · 3.3V logic
D2 / GPIO3
GPIO and ADC input; table lists D2 as Analog, GPIO3, TOUCH3.
Type · gpioVoltage · 3.3V logic
D3 / GPIO4
GPIO and ADC input; table lists D3 as Analog, GPIO4, TOUCH4.
Type · gpioVoltage · 3.3V logic
D4 / SDA / GPIO5
GPIO, I2C data, and ADC; table lists D4 as Analog/SDA, GPIO5, TOUCH5.
Type · i2cVoltage · 3.3V logic
D5 / SCL / GPIO6
GPIO, I2C clock, and ADC; table lists D5 as Analog/SCL, GPIO6, TOUCH6.
Type · i2cVoltage · 3.3V logic
D6 / TX / GPIO43
GPIO and UART transmit; table lists D6 as TX, GPIO43.
Type · uartVoltage · 3.3V logic
D7 / RX / GPIO44
GPIO and UART receive; table lists D7 as RX, GPIO44.
Type · uartVoltage · 3.3V logic
D8 / SCK / GPIO7
GPIO, SPI clock, and ADC; table lists D8 as Analog/SCK, GPIO7, TOUCH7.
Type · spiVoltage · 3.3V logic
D9 / MISO / GPIO8
GPIO, SPI data, and ADC; table lists D9 as Analog/MISO, GPIO8, TOUCH8.
Type · spiVoltage · 3.3V logic
D10 / MOSI / GPIO9
GPIO, SPI data, and ADC; table lists D10 as Analog/MOSI, GPIO9, TOUCH9.
Type · spiVoltage · 3.3V logic

Pin	Type	Function	Voltage
5V	power	VBUS power input/output. Seeed XIAO ESP32S3 wiki lists 5V as VBUS and describes it as power input/output from the USB port.	5V from USB port; may be used as voltage input with external protection as described by Seeed.
GND	ground	Power/data/signal ground.	0V
3V3	power	Regulated 3.3V output from the onboard regulator.	3.3V output; Seeed states up to 700mA draw.
D0 / GPIO1	gpio	GPIO and ADC input; table lists D0 as Analog, GPIO1, TOUCH1.	3.3V logic
D1 / GPIO2	gpio	GPIO and ADC input; table lists D1 as Analog, GPIO2, TOUCH2.	3.3V logic
D2 / GPIO3	gpio	GPIO and ADC input; table lists D2 as Analog, GPIO3, TOUCH3.	3.3V logic
D3 / GPIO4	gpio	GPIO and ADC input; table lists D3 as Analog, GPIO4, TOUCH4.	3.3V logic
D4 / SDA / GPIO5	i2c	GPIO, I2C data, and ADC; table lists D4 as Analog/SDA, GPIO5, TOUCH5.	3.3V logic
D5 / SCL / GPIO6	i2c	GPIO, I2C clock, and ADC; table lists D5 as Analog/SCL, GPIO6, TOUCH6.	3.3V logic
D6 / TX / GPIO43	uart	GPIO and UART transmit; table lists D6 as TX, GPIO43.	3.3V logic
D7 / RX / GPIO44	uart	GPIO and UART receive; table lists D7 as RX, GPIO44.	3.3V logic
D8 / SCK / GPIO7	spi	GPIO, SPI clock, and ADC; table lists D8 as Analog/SCK, GPIO7, TOUCH7.	3.3V logic
D9 / MISO / GPIO8	spi	GPIO, SPI data, and ADC; table lists D9 as Analog/MISO, GPIO8, TOUCH8.	3.3V logic
D10 / MOSI / GPIO9	spi	GPIO, SPI data, and ADC; table lists D10 as Analog/MOSI, GPIO9, TOUCH9.	3.3V logic

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