Note :this link only sale Expansion board ,no raspberry pi.

Keyestudio Pico IO Prototype Expansion board

— A serial communication interface

— Two IIC interface

— Three analog interface

— Six digital interface

The Keyestudio Pico IO prototype expansion board works with the Raspberry pico board. It can expand IO ports of the pico board. There are two IIC ports, a serial communication interface , three analog ports and six digital ports. This sensor board simplifies the circuit and makes it easy to connect with commonly used sensors. You can stack a Raspberry Pi pico board onto this shield.