RS485和Modbus其实是独立的，你也可以认为它们是两个东西，可以配合使用，也可以互不相干，RS485上面可以跑Modbus协议，也可以跑我们自定义的通讯协议，Modbus可以通过RS485这种物理层传输，也可以通过以太网之类的硬件媒介传输。

Designed by Namnam in Vietnam, the ESP32 Modbus gateway is built to communicate with PLCs and industrial sensors over Modbus ...

Nuvoton Technology has announced an Arduino-like development board for its own Arm Cortex-M4 based M467 “Ethernet – crypto microcontroller series”, it calls them. The board, ‘NuMaker-UNO-M4’ has the ...

Posted in Arduino Hacks, digital cameras hacks Tagged automation, camera, digital camera, industrial, industrial automation, industry, plc ← Move A Robotic Hand With Your Nerve Impulses ...