Interactive pinout
Seeed XIAO RP2040 pinout
XIAO form factor, USB-C at the top. Pin names D0–D10 map to the RP2040 GPIO numbers shown in each pin's details.
- GPIO
- Power
- Ground / N.C.
- Reset
- Has a warning
Selected pin
D0 / A0GPIO26
Safe to use
GPIOADCPWMI2CSPI
Analog input ADC0.
- adc
- ADC0
- i2c
- I2C1 SDA
- spi
- SPI1 SCK
Code for this pin
const int PIN = D0;
void setup() {
pinMode(PIN, OUTPUT);
}
void loop() {
digitalWrite(PIN, HIGH);
delay(500);
digitalWrite(PIN, LOW);
delay(500);
}Ad space · inline
Good to know
- ›Any RP2040 pin can be used for PWM or PIO. Extra pins (GP12, GP13…) are on the back pads.
- ›Hold BOOT while plugging in to enter the drag-and-drop UF2 bootloader.
Where to buy
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