He developed his own hardware and packet format using the RS-485 protocol.

Inspired by its professional range, Arduino has put dual Arm cores, Wi-Fi, Bluetooth LE and 76 IOs into its Mega form-factor. The new board is called Giga R1 WiFi, and has an Arm Cortex-M7 running at ...

The boards are attractive because they offer a combining a powerful (600MHz dual-issue superscaler) processor processor and Arduino compatibility, and were designed and were being manufactured by PJRC ...