Innovation Trend of Edge Computing Technology Based on Patent Perspective

Table 1

Equipment parameters.

Model	RPi B+	RPi2	Arduino UNO
CPU	ARM11 CPU	ARM Cortex-47 900 MHz	ATmega328 20 MHz
Operating system	Raspbian	Raspbian	Single Chip Microcomputer System
Interface	USB-host, RJ45	USB-host, RJ45	External interface board
RAM	512 MB	1 GB	32 KB