随着工业自动化和智能制造的发展,现场设备数量不断增加,系统之间的数据交互和远程监控需求越来越强。不同厂商的设备常常采用各类接口和协议,例如 RS-485、Modbus、PLC、TCP、MQTT等,导致现场通信复杂,难以统一管理。同时,管理层需要通过上位机、HMI ...
RS485常被误认为是一种“通信协议”,但实际上,它是一种物理层接口标准。本文将系统解释RS485的基本原理,澄清常见误解,并对比其与Modbus RTU等协议的区别,同时提供实用的工程安装、布线及故障排查建议。 一、RS485究竟是什么? RS485并不是通信协议,而是 ...
The 8051 was an 8-bit Harvard-architecture microcontroller first put out by Intel in 1980. They’ve since discontinued that line, but it lives on in the low-cost STC8 family of chips, which is ...
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Amazon's e-commerce site suffered major outages in recent weeks. One outage was linked to internal use of an AI coding tool. Amazon SVP Dave Treadwell proposes new code controls in documents obtained ...
This transcript was prepared by a transcription service. This version may not be in its final form and may be updated. Ryan Knutson: Do you guys want to start out by introducing yourselves? Ben Cohen: ...
Tools for translating natural language into code promise natural, open-ended interaction with databases, web APIs, and other software systems. However, this promise is complicated by the diversity and ...
Abstract: This paper presents the design and implementation of a multipurpose networked control system using Arduino and Modbus RTU over RS-485 communication. The system enables robust and scalable ...
Arduino is being acquired by Qualcomm subject to regulatory approval for an undisclosed sum. Qualcomm Arduino introduces a new UNO form factor board, the Arduino UNO Q, which features both a STM32 MCU ...
Paul and David Bradt’s Ardiono Projects offers multiple ways to use Arduino and Raspberry Pi microcontrollers for your model railroading projects. Buy the book here. Code for Button/Blink Test (SN095) ...
The new science of “emergent misalignment” explores how PG-13 training data — insecure code, superstitious numbers or even extreme-sports advice — can open the door to AI’s dark side. There should ...
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