Raspberry Pi Pico
Pinout
- GP01
GPIO 0, UART0 TX default
Type · io - GP12
GPIO 1, UART0 RX default
Type · io - GND3
Ground
Type · ground - GP24
GPIO 2
Type · io - GP35
GPIO 3
Type · io - GP46
GPIO 4
Type · io - GP57
GPIO 5
Type · io - GND8
Ground
Type · ground - GP69
GPIO 6
Type · io - GP710
GPIO 7
Type · io - GP811
GPIO 8
Type · io - GP912
GPIO 9
Type · io - GND13
Ground
Type · ground - GP1014
GPIO 10
Type · io - GP1115
GPIO 11
Type · io - GP1216
GPIO 12
Type · io - GP1317
GPIO 13
Type · io - GND18
Ground
Type · ground - GP1419
GPIO 14
Type · io - GP1520
GPIO 15
Type · io - GP1621
GPIO 16
Type · io - GP1722
GPIO 17
Type · io - GND23
Ground
Type · ground - GP1824
GPIO 18
Type · io - GP1925
GPIO 19
Type · io - GP2026
GPIO 20
Type · io - GP2127
GPIO 21
Type · io - GND28
Ground
Type · ground - GP2229
GPIO 22
Type · io - RUN30
RUN reset/control pin
Type · control - GP26 / ADC031
GPIO 26, ADC0 analogue input
Type · io - GP27 / ADC132
GPIO 27, ADC1 analogue input
Type · io - GND33
Analogue ground / Ground
Type · ground - GP28 / ADC234
GPIO 28, ADC2 analogue input
Type · io - ADC_VREF35
ADC reference voltage input
Type · power - 3V336
3.3V output rail
Type · power - 3V3_EN37
3.3V regulator enable
Type · control - GND38
Ground
Type · ground - VSYS39
System input voltage rail
Type · power - VBUS40
USB VBUS input, 5V from USB when connected
Type · power
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| GP0 | 1 | io | GPIO 0, UART0 TX default | |
| GP1 | 2 | io | GPIO 1, UART0 RX default | |
| GND | 3 | ground | Ground | |
| GP2 | 4 | io | GPIO 2 | |
| GP3 | 5 | io | GPIO 3 | |
| GP4 | 6 | io | GPIO 4 | |
| GP5 | 7 | io | GPIO 5 | |
| GND | 8 | ground | Ground | |
| GP6 | 9 | io | GPIO 6 | |
| GP7 | 10 | io | GPIO 7 | |
| GP8 | 11 | io | GPIO 8 | |
| GP9 | 12 | io | GPIO 9 | |
| GND | 13 | ground | Ground | |
| GP10 | 14 | io | GPIO 10 | |
| GP11 | 15 | io | GPIO 11 | |
| GP12 | 16 | io | GPIO 12 | |
| GP13 | 17 | io | GPIO 13 | |
| GND | 18 | ground | Ground | |
| GP14 | 19 | io | GPIO 14 | |
| GP15 | 20 | io | GPIO 15 | |
| GP16 | 21 | io | GPIO 16 | |
| GP17 | 22 | io | GPIO 17 | |
| GND | 23 | ground | Ground | |
| GP18 | 24 | io | GPIO 18 | |
| GP19 | 25 | io | GPIO 19 | |
| GP20 | 26 | io | GPIO 20 | |
| GP21 | 27 | io | GPIO 21 | |
| GND | 28 | ground | Ground | |
| GP22 | 29 | io | GPIO 22 | |
| RUN | 30 | control | RUN reset/control pin | |
| GP26 / ADC0 | 31 | io | GPIO 26, ADC0 analogue input | |
| GP27 / ADC1 | 32 | io | GPIO 27, ADC1 analogue input | |
| GND | 33 | ground | Analogue ground / Ground | |
| GP28 / ADC2 | 34 | io | GPIO 28, ADC2 analogue input | |
| ADC_VREF | 35 | power | ADC reference voltage input | |
| 3V3 | 36 | power | 3.3V output rail | |
| 3V3_EN | 37 | control | 3.3V regulator enable | |
| GND | 38 | ground | Ground | |
| VSYS | 39 | power | System input voltage rail | |
| VBUS | 40 | power | USB VBUS input, 5V from USB when connected |
Start wiring
UART
Verify supply voltage and logic levels before powering up.
Module pins: ADC_VREF, 3V3, VSYS, VBUS, GND. Schematik maps them to your board in the app.
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