The FriendlyELEC NanoPi R3S is an inexpensive single-board computer that measures just 57 x 57mm (2.24″ x 2.24″) but features two USB ports, dual Gigabit Ethernet ports, and a microSD card reader.
When FriendlyElec launched the NanoPi R3S last year, the tiny single-board computer was positioned as a router board that packed two Gigabit Ethernet ports and a Rockchip RK3566 processor into a board ...