Logical pinout · physical placement not verified

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.
D0GPIO1
GPIO and ADC input; table lists D0 as Analog, GPIO1, TOUCH1.
Type · GPIOVoltage · 3.3V logic
D1GPIO2
GPIO and ADC input; table lists D1 as Analog, GPIO2, TOUCH2.
Type · GPIOVoltage · 3.3V logic
D2GPIO3
GPIO and ADC input; table lists D2 as Analog, GPIO3, TOUCH3.
Type · GPIOVoltage · 3.3V logic
D3GPIO4
GPIO and ADC input; table lists D3 as Analog, GPIO4, TOUCH4.
Type · GPIOVoltage · 3.3V logic
D4SDAGPIO5
GPIO, I2C data, and ADC; table lists D4 as Analog/SDA, GPIO5, TOUCH5.
Type · GPIO, I2CVoltage · 3.3V logic
D5SCLGPIO6
GPIO, I2C clock, and ADC; table lists D5 as Analog/SCL, GPIO6, TOUCH6.
Type · GPIO, I2CVoltage · 3.3V logic
D6TXGPIO43
GPIO and UART transmit; table lists D6 as TX, GPIO43.
Type · GPIO, UARTVoltage · 3.3V logic
D7RXGPIO44
GPIO and UART receive; table lists D7 as RX, GPIO44.
Type · GPIO, UARTVoltage · 3.3V logic
D8SCKGPIO7
GPIO, SPI clock, and ADC; table lists D8 as Analog/SCK, GPIO7, TOUCH7.
Type · GPIO, SPIVoltage · 3.3V logic
D9MISOGPIO8
GPIO, SPI data, and ADC; table lists D9 as Analog/MISO, GPIO8, TOUCH8.
Type · GPIO, SPIVoltage · 3.3V logic
D10MOSIGPIO9
GPIO, SPI data, and ADC; table lists D10 as Analog/MOSI, GPIO9, TOUCH9.
Type · GPIO, 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.
D0GPIO1	GPIO	GPIO and ADC input; table lists D0 as Analog, GPIO1, TOUCH1.	3.3V logic
D1GPIO2	GPIO	GPIO and ADC input; table lists D1 as Analog, GPIO2, TOUCH2.	3.3V logic
D2GPIO3	GPIO	GPIO and ADC input; table lists D2 as Analog, GPIO3, TOUCH3.	3.3V logic
D3GPIO4	GPIO	GPIO and ADC input; table lists D3 as Analog, GPIO4, TOUCH4.	3.3V logic
D4SDAGPIO5	GPIO, I2C	GPIO, I2C data, and ADC; table lists D4 as Analog/SDA, GPIO5, TOUCH5.	3.3V logic
D5SCLGPIO6	GPIO, I2C	GPIO, I2C clock, and ADC; table lists D5 as Analog/SCL, GPIO6, TOUCH6.	3.3V logic
D6TXGPIO43	GPIO, UART	GPIO and UART transmit; table lists D6 as TX, GPIO43.	3.3V logic
D7RXGPIO44	GPIO, UART	GPIO and UART receive; table lists D7 as RX, GPIO44.	3.3V logic
D8SCKGPIO7	GPIO, SPI	GPIO, SPI clock, and ADC; table lists D8 as Analog/SCK, GPIO7, TOUCH7.	3.3V logic
D9MISOGPIO8	GPIO, SPI	GPIO, SPI data, and ADC; table lists D9 as Analog/MISO, GPIO8, TOUCH8.	3.3V logic
D10MOSIGPIO9	GPIO, SPI	GPIO, SPI data, and ADC; table lists D10 as Analog/MOSI, GPIO9, TOUCH9.	3.3V logic

Logical pinout · physical placement not verified

Pin details

14 connections

5V
VBUS power input/output. Seeed XIAO ESP32S3 wiki lists 5V as VBUS and describes it as power input/output from the USB port.
PowerVoltage · 5V from USB port; may be used as voltage input with external protection as described by Seeed.
GND
Power/data/signal ground.
GroundVoltage · 0V
3V3
Regulated 3.3V output from the onboard regulator.
PowerVoltage · 3.3V output; Seeed states up to 700mA draw.
D0GPIO1
GPIO and ADC input; table lists D0 as Analog, GPIO1, TOUCH1.
GPIOVoltage · 3.3V logic
D1GPIO2
GPIO and ADC input; table lists D1 as Analog, GPIO2, TOUCH2.
GPIOVoltage · 3.3V logic
D2GPIO3
GPIO and ADC input; table lists D2 as Analog, GPIO3, TOUCH3.
GPIOVoltage · 3.3V logic
D3GPIO4
GPIO and ADC input; table lists D3 as Analog, GPIO4, TOUCH4.
GPIOVoltage · 3.3V logic
D4SDAGPIO5
GPIO, I2C data, and ADC; table lists D4 as Analog/SDA, GPIO5, TOUCH5.
GPIO, I2CVoltage · 3.3V logic
D5SCLGPIO6
GPIO, I2C clock, and ADC; table lists D5 as Analog/SCL, GPIO6, TOUCH6.
GPIO, I2CVoltage · 3.3V logic
D6TXGPIO43
GPIO and UART transmit; table lists D6 as TX, GPIO43.
GPIO, UARTVoltage · 3.3V logic
D7RXGPIO44
GPIO and UART receive; table lists D7 as RX, GPIO44.
GPIO, UARTVoltage · 3.3V logic
D8SCKGPIO7
GPIO, SPI clock, and ADC; table lists D8 as Analog/SCK, GPIO7, TOUCH7.
GPIO, SPIVoltage · 3.3V logic
D9MISOGPIO8
GPIO, SPI data, and ADC; table lists D9 as Analog/MISO, GPIO8, TOUCH8.
GPIO, SPIVoltage · 3.3V logic
D10MOSIGPIO9
GPIO, SPI data, and ADC; table lists D10 as Analog/MOSI, GPIO9, TOUCH9.
GPIO, SPIVoltage · 3.3V logic

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