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Board overview
Seeed Studio XIAO ESP32C6
Seeed Studio · XIAO
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Showing 14 of 14 pins
Simplified technical illustration. Pin data is source-backed; verify against the linked documentation before wiring.
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Mapped source · Seeed XIAO ESP32C6 wikiOfficial- USB-C at top, component side up; labels follow Seeed's XIAO ESP32C6 pin table.
- GPIO is 3.3 V only and is not 5 V tolerant.
- D0-D2 are analog inputs; D3 (GPIO21) is digital-only on this board, unlike other XIAO modules.
All 14 pins
| # | Signal | Role | Net | Also / notes |
|---|---|---|---|---|
| 1 | ADC | GPIO0 | ||
| 2 | ADC | GPIO1 | ||
| 3 | ADC | GPIO2 | ||
| 4 | GPIO | GPIO21 | ||
| 5 | I2C | I2C | GPIO22 | |
| 6 | I2C | I2C | GPIO23 | |
| 7 | UART | UART | GPIO16 | |
| 14 | Power | 5V | ||
| 13 | Ground | GND | ||
| 12 | Power | 3V3 | ||
| 11 | SPI | SPI | GPIO18 | |
| 10 | SPI | SPI | GPIO20 | |
| 9 | SPI | SPI | GPIO19 | |
| 8 | UART | UART | GPIO17 |