Pico Zero Expansion is an advantageous and neatly labelled expansion, with a 6x20 grid in the middle for the Raspberry Pi Pico and 8 x 20 grid on the both side to connect peripherals, of 2.54mm spacing mounting holes suitable for users to easily solder the Pico pins. Pico Zero Expansion provides a secure, compact and long term safe house to your breadboard or DIY Project with perfectly attaching custom circuits!