Introduction In industrial automation, analog signals are an important data type processed by PLCs, commonly found in measurements from sensors such as temperature, pressure, liquid level, and speed. Unlike digital signals that only determine ‘on’ and ‘off’, analog signals can represent continuous values. For example, the output from a temperature sensor may be a voltage … Read more
Hello everyone, I am Lao Wang, an experienced engineer in the automation industry. Today, let’s talk about PLCs, which are the core of the automation field, just as important as the light switch in our homes. However, instead of controlling a simple light bulb, it controls various complex industrial devices. The goal of this article … Read more
Author | Antai Technology 【Abstract】Methods used in industry to protect instruments from unauthorized modifications include hardware write protection switches on instruments, software write protection passwords on instruments, passwords for remotely managing instruments’ IMS/AMS, and various unique protections provided by SIS solutions. Utilizing these protective measures, Project 12, aided by the U.S. Department of Homeland Security, … Read more
Concubine: “Your Majesty, I heard that you are recently researching an IoT project? I would like to try developing a simple sensor monitoring system, but I don’t know where to start…” Majesty: “It is good that you have such ambition. Today, I will teach you to use Cursor, this magical tool, to easily master sensor … Read more
Reprinted from:Tenggu Chuangtou IoT Think Tank Organized and Published Please indicate the source and origin when reprinting —— [Guide] —— Industry is still in the early stages of a technological transformation driven by IIoT, big data, and other emerging technologies. This is not hype, but an inevitable consequence of advancements in software, hardware, networks, and … Read more
The intense competition has put pressure on IoT (IoT) device developers, who must quickly launch new innovative products while also reducing costs, ensuring stable, low-power, and secure communication. Traditional smart IoT terminal nodes include microcontroller units (MCU) for edge processing and wireless integrated circuits for connectivity. Problems arise when design teams lack the RF(RF) skills … Read more
Currently, China has formed a spatial layout of smart parks characterized by “concentration in the eastern coastal areas, linkage along the central rivers, and distinctive development in the western regions.” The Bohai Rim, Yangtze River Delta, and Pearl River Delta regions have become the three major gathering areas for national smart park construction, relying on … Read more
Click on the above【Tencent Cloud IoT】, follow us and set as a star Building the IoT industry ecosystem together After the release of the TSC_WL_EVK LoRaWAN evaluation board co-branded by Tencent Cloud (STMicroelectronics, Ruixin Hengfang, Shenzhen Zhixin Cloud), many friends have successfully connected the evaluation board to the Tencent Cloud IoT development platform IoT Explorer. … Read more
1. What is MQTT? MQTT, short for Message Queuing Telemetry Transport, is a lightweight protocol designed specifically for devices with unstable networks and limited bandwidth. For example, in Northeast China, there are times when the signal is poor, making it difficult to access the internet on mobile phones. This is when MQTT comes into play. … Read more
Industrial automation is the wave of future industrial development. Only by keeping up with this trend can China’s automation industry flourish. The key to factory automation lies in the application of industrial control devices, and I will briefly introduce several essential industrial control products for the automation industry. 1. The brain of factory automation, the … Read more