Welcome to the HATs and Add-Ons shop where you’ll find a range of gadgets for your ROCK board. From Power over Ethernet HATs for your ROCK 4 C+ or ROCK 4SE, to IO boards for your ROCK CM3 board. We’ll be offering a plethora of add-ons so you can truly realise the potential of your ROCK single board computer and boost your design innovations View more View less