本内容遵循CC 4.0 BY-SA版权协议 简介：一个基于 Arduino 的 Modbus 主站库，适用于需要让 Arduino 通过 Modbus RTU 协议与传感器、从站设备通信的开发者。库内封装了多项高层功能，可帮助不熟悉 Modbus ...
2.1 功能码与 RTU 帧：Master 请求的最小结构 Modbus RTU 的请求帧固定是「从机地址 1 字节 + 功能码 1 字节 + 数据区 + CRC16 低字节在前」。Master 要做的就是按功能码组织数据区，然后等从机回同样结构的应答。Arduino 侧最常用的是读寄存器两类：0x03 读保持寄存器，读的是设备参数和可写的设定值；0x04 读 ...
The Arduino team has announced a new version of the Arduino PLC IDE, its integrated development environment for programmable logic controllers (PLCs) including the Arduino Opta range — now featuring ...
Arduino library for the PZEM-004T V4.0 100A energy monitor that enables effortless power monitoring with voltage, current, energy. This library makes it easy to use the PZEM-004T V4.0 energy monitor ...
In late January, BlackRock TCP Capital—a business-development company somewhat akin to a closed-end fund—reported that it would be slashing the net asset value of its shares by 19% for the fourth ...
A modbus master and slave test tool with import and export functionality, supports TCP, UDP and RTU. Arduino-based Modbus RTU to Modbus TCP/UDP gateway with web interface. Allows you to connect Modbus ...
Most complete Modbus library for Arduino. A library that allows your Arduino board to communicate via Modbus protocol, acting as a master, slave or both. Supports network transport (Modbus TCP) and ...
Often developers believe that since a communication protocol stack is called a TCP/IP stack, porting it to an embedded target provides the target with all TCP/IP functionalities and performance. This ...
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