1. Technical Background RS-232: Traditional serial port standard, typical rate 115.2 kbps (maximum about 1 Mbps). RS-485: Industrial serial port standard, typical rate 10 Mbps (theoretical maximum can reach 50 Mbps). USB: There are significant differences between different versions, for example: USB 2.0:480 Mbps USB 3.0:5 Gbps (about 5120 Mbps) USB 4.0:40 Gbps 2. Comparison … Read more
What are Zigbee and Z-Wave? How do they differ? To ensure seamless collaboration among smart home devices, the smart home hub relies on wireless communication protocols—of which the two most mainstream standards are Zigbee and Z-Wave. These two standards began empowering smart living long before the concept of “smart home” became popular. Although both utilize … Read more
Click 👆 aboveFollowEngineer Yan Ji and ★ Star ★. MQTT and Modbus are two protocols that are indispensable in the Internet of Things (IoT), covering 98% of the products on the market. MQTT was released by IBM in 1999. In 2014, MQTT became a standard of OASIS (Organization for the Advancement of Structured Information Standards) … Read more