GPIO adapter for Raspberry Pi 400 – computer integrated with keyboard. The extension allows you to easily expand your project, it allows you to derive and extend the connectors to make working with them more convenient. It gives access to 2 x 40 pins. Leads of the adapter are marked with colours, which distinguish particular sections, including power and utility pins. Each pinout has been described in detail. External dimensions of the module are 40,2 x 56,2 mm.