HARDKERNEL is a well-known brand for Single board computer Boards  with a wide range of useful peripherals developed for use in a variety of embedded system applications

The ODROID is a series of single-board computers and tablet computers created by Hardkernel Co., Ltd., located in South Korea. Even though the name ODROID is a portmanteau of open + Android, the hardware is not actually open because some parts of the design are retained by the company. Many ODROID systems are capable of running not only Android but also regular Linux distributions.