Waveshare RP2040-Zero

Waveshare · RP2040

Filter pins

Showing 23 of 23 pins

Simplified diagram, grouped by function — not to physical scale. Pin data is source-backed; verify against the linked documentation.

Hover, tap, or focus a pad to inspect a pin. Use arrow keys to move between pins.

Full pin list, synchronized with the board drawing.
#	Role	Net	Also / notes
Left/bottom edge (GP0–GP15)
1	UART	UART0	UART0 TX
2	UART	UART0	UART0 RX
3	GPIO
4	GPIO
5	I2C	I2C0	I2C0 SDA
6	I2C	I2C0	I2C0 SCL
7	GPIO
8	GPIO
9	SPI	SPI1	SPI1 RX
10	SPI	SPI1	SPI1 CS
11	SPI	SPI1	SPI1 SCK
12	SPI	SPI1	SPI1 TX
13	GPIO
14	GPIO
15	GPIO
16	GPIO
Bottom-right edge (GP26–GP29)
17	ADC		ADC0
18	ADC		ADC1
19	ADC		ADC2
20	ADC		ADC3
Top edge
21	Power	5V
22	Ground	GND
23	Power	3V3

Loading source-backed pinouts…

Waveshare · RP2040

Filter pins

Showing 23 of 23 pins

Simplified diagram, grouped by function — not to physical scale. Pin data is source-backed; verify against the linked documentation.

Hover, tap, or focus a pad to inspect a pin. Use arrow keys to move between pins.

Full pin list, synchronized with the board drawing.
#	Role	Net	Also / notes
Left/bottom edge (GP0–GP15)
1	UART	UART0	UART0 TX
2	UART	UART0	UART0 RX
3	GPIO
4	GPIO
5	I2C	I2C0	I2C0 SDA
6	I2C	I2C0	I2C0 SCL
7	GPIO
8	GPIO
9	SPI	SPI1	SPI1 RX
10	SPI	SPI1	SPI1 CS
11	SPI	SPI1	SPI1 SCK
12	SPI	SPI1	SPI1 TX
13	GPIO
14	GPIO
15	GPIO
16	GPIO
Bottom-right edge (GP26–GP29)
17	ADC		ADC0
18	ADC		ADC1
19	ADC		ADC2
20	ADC		ADC3
Top edge
21	Power	5V
22	Ground	GND
23	Power	3V3