Sort of. This appears to be an Atmel ARM board with the pins broken out in a Pi-compatible way. I imagine you could reprogram this to act as an I/O expander, bu

Sort of. This appears to be an Atmel ARM board with the pins broken out in a Pi-compatible way. I imagine you could reprogram this to act as an I/O expander, but at that point, you're probably better off just getting a dedicated GPIO expander.