[导读]在嵌入式开发中，串口、UART、SPI、USB、红外等各类通信协议都离不开数据接收环节，很多开发者习惯用延迟等待、标志位轮询的方式实现接收，不仅代码耦合度高，移植性差，还容易出现漏字节、帧错误等问题。而基于有限状态机(FSM)设计的通用接收模块 ...

[导读]在工业物联网设备开发中，Modbus从站功能已成为微控制器（MCU）的标配能力。某智能电表项目通过在STM32上实现Modbus RTU从站，成功将设备接入现有SCADA系统，开发周期缩短40%。本文将系统解析MCU实现Modbus从站的关键技术路径，涵盖硬件配置、协议解析、库 ...

This library allows your Arduino to communicate via Modbus protocol. The Modbus is a master-slave protocol used in industrial automation and can be used in other areas, such as home automation. The ...

This library allows your Arduino to communicate via Modbus protocol. The Modbus is a master-slave protocol used in industrial automation and can be used in other areas, such as home automation. The ...

Welcome to my quick review of an inexpensive 2-channel 5V relay module controlled via RS485 bus utilizing Modbus RTU protocol. As claimed by some online sellers, this easy-to-get Modbus RTU 2-Channel ...

Teknic’s ClearCore, a low-cost, multi-axis, motion and industrial I/O controller, now has Modbus communication. Teknic ’s ClearCore, a low-cost, multi-axis, motion and industrial I/O controller, now ...

LilyGO is regularly bringing ESP32 boards to market for specific applications, and their latest TTGO T-CAN485 connects ESP32 to CAN bus and RS485 industrial control interfaces. The board also takes 5 ...