Adapter board that maps Raspberry Pi Pico (RP2040) or Pico-pin-compatible boards into the Raspberry Pi Zero 2x20 GPIO form factor. Enables use of standard Pi HATs with Pico-class boards. No active circuitry; passive pin remapping only.
Adapter board that maps Raspberry Pi Pico (RP2040) or Pico-pin-compatible boards into the Raspberry Pi Zero 2x20 GPIO form factor. Enables use of standard Pi HATs with Pico-class boards. No active circuitry; passive pin remapping only.
Raspberry Pi HAT 2x20 header interface exposed by the Pico to Pi HAT X Converter pinout diagram.
3.3 V rail on the Pi header side of the converter.
5 V rail on the Pi header side of the converter.
Ground pins on the Pi header and Pico header mappings.
Pi-header I2C data signal mapped in the pinout diagram to Pico GP11 / GP13 side labels depending on header side.
Pi-header I2C clock signal mapped in the pinout diagram to Pico GP14 side label.
UART transmit signal shown on the Pi header mapping, paired with Pico GP15 in the diagram.
UART receive signal shown on the Pi header mapping, paired with Pico GP16 in the diagram.
SPI MOSI signal on the Pi header mapping, shown with Pico GP36 / GPIO 20 region in the diagram.
SPI MISO signal on the Pi header mapping, shown with Pico GP37 / GPIO 19 region in the diagram.
SPI clock signal on the Pi header mapping, shown with Pico GP35 / GPIO 21 region in the diagram.
SPI chip-select 0 signal on the Pi header mapping.
SPI chip-select 1 signal on the Pi header mapping.
Dual 2x20 Pico header interface, labelled Pi Pico L and Pi Pico R in the converter pinout diagram.
Pico VBUS connection shown in the converter pinout diagram.
Pico VSYS connection shown in the converter pinout diagram.
Pico RUN control pin shown in the converter pinout diagram.
| Pin | Position | Type | Function | Voltage |
|---|---|---|---|---|
| 40 PI Header | connector | Raspberry Pi HAT 2x20 header interface exposed by the Pico to Pi HAT X Converter pinout diagram. | ||
| 3V3 | power | 3.3 V rail on the Pi header side of the converter. | 3.3V | |
| 5V | power | 5 V rail on the Pi header side of the converter. | 5V | |
| GND | ground | Ground pins on the Pi header and Pico header mappings. | ||
| SDA1 |
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| i2c |
| Pi-header I2C data signal mapped in the pinout diagram to Pico GP11 / GP13 side labels depending on header side. |
| SCL1 | i2c | Pi-header I2C clock signal mapped in the pinout diagram to Pico GP14 side label. |
| TX | uart | UART transmit signal shown on the Pi header mapping, paired with Pico GP15 in the diagram. |
| RX | uart | UART receive signal shown on the Pi header mapping, paired with Pico GP16 in the diagram. |
| MOSI | spi | SPI MOSI signal on the Pi header mapping, shown with Pico GP36 / GPIO 20 region in the diagram. |
| MISO | spi | SPI MISO signal on the Pi header mapping, shown with Pico GP37 / GPIO 19 region in the diagram. |
| SCLK | spi | SPI clock signal on the Pi header mapping, shown with Pico GP35 / GPIO 21 region in the diagram. |
| CE0 | digital | SPI chip-select 0 signal on the Pi header mapping. |
| CE1 | digital | SPI chip-select 1 signal on the Pi header mapping. |
| 2x20 pin Pico Headers | connector | Dual 2x20 Pico header interface, labelled Pi Pico L and Pi Pico R in the converter pinout diagram. |
| VBUS | power | Pico VBUS connection shown in the converter pinout diagram. | USB VBUS / 5V domain |
| VSYS | power | Pico VSYS connection shown in the converter pinout diagram. |
| RUN | control | Pico RUN control pin shown in the converter pinout diagram. |