What are Hats and what do they offer? Types of functionality available with Hats. The range of potential applications with Hats. Raspberry Pi Hats are specialized add-on boards that increase the Pi's ...

The Raspberry Pi’s venerable 40-pin header and associated HAT ecosystem for upgrades has been a boon for the platform. It’s easy to stack extra hardware on to a Pi, even multiple times in some cases.

One of the things that makes Raspberry Pi’s small and inexpensive single-board computers interesting is the 40-pin connectors that makes it possible to connect expansion boards called HATs (which ...