WIZnet is a fabless IT company that provides Internet processors for the IoT. WIZnet is the sole innovator to patent the hardwired TCP/IP technology into a microprocessor chip in 2001. Since then, a yearly average of 10 million WIZnet chips have been used in various embedded Internet devices worldwide. WIZnet is the trend leader of Open Source Hardware. (Arduino is an open-source electronics prototyping platform based on flexible, easy-to-use hardware and software. WIZnet’ chip and module are being used in the Arduino’s Ethernet Shield, and adopted in its clones.)