High-Performance Dev Board with Wi-Fi and BLE - XIAO ESP32S3
Powered by the Espressif ESP32-S3, Seeed Studio XIAO ESP32S3 leverages a dual-core, Xtensa processor, supporting 2.4GHz Wi-Fi and BLE 5.0 wireless connectivities. This tiny but powerful board is perfect for robotics, and IoT projects. Compatible with Ardu
Pinout
- 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 | Position | 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 |
Start wiring
I2C · UART · SPI · 5V from USB port; may be used as voltage input with external protection as described by Seeed. · 0V
Confirm the data interface matches your host board.
Module pins: 5V, 3V3, GND, D0 / GPIO1, D1 / GPIO2, D2 / GPIO3, D3 / GPIO4, D4 / SDA / GPIO5. Schematik maps them to your board in the app.
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