1 Introduction A year ago, I researched an embedded device and found its acoustic configuration logic quite intriguing, but later focused on vulnerability exploitation and did not delve deeper. Recently, while studying wireless communications like sub-GHz, Bluetooth, and RF, I became interested again in transmitting information via acoustic signals, which led to this article documenting … Read more
Source: Cypress Introduction Bluetooth technology has transformed wireless communication between devices due to its universality and simplicity. Devices can communicate wirelessly with a high level of security via Bluetooth. Due to its low power consumption and cost, Bluetooth plays a crucial role in applications ranging from high-speed automotive devices to complex medical equipment. The convenience … Read more
Radio Management Promotional Activity Understanding Radio ⑦ | What Are Bluetooth and Wi-Fi Technologies 01 What Is Bluetooth Technology The so-called Bluetooth technology is actually a short-range (generally within 10m) wireless communication technology with a transmission rate of 1Mbit/s. By utilizing Bluetooth technology, communication between mobile communication terminal devices such as handheld computers, laptops, and … Read more
WiFi is a term that most people are now familiar with. Wherever you go, you can find many WiFi hotspots just by searching on your phone, although most of them require a password to connect. Nevertheless, let’s clarify what WiFi is. Originally, WiFi was an abbreviation for wireless fidelity. In the realm of wireless local … Read more
Engineers often encounter the problem: why can’t my touchscreen communicate with the PLC? For example, here are two issues: 1. The Wecon touchscreen cannot communicate with the Siemens PLC, always prompting that the PLC is unresponsive. What should be set up? Solution approach: You need to set the same baud rate, the same bit count, … Read more
Search on WeChat Jicheng Training Masters often encounter the following issue: Why can’t my touch screen communicate with the PLC? Here are two common problems: 1. Weintek touch screen cannot communicate with Siemens PLC, always prompting that the PLC is unresponsive. What settings should I use? Solution approach: You need to set the same baud … Read more
WeChat Search Technical Training
Search WeChat Technical Training Many students learning about Weintek touch screen communication skills generally know how to communicate with PLCs, such as M area addresses, V area addresses, and Q area addresses, which are quite simple. Especially for DB block addresses like S7-1200, we often don’t know where to start. So how do we associate … Read more
Many technicians often encounter the following issue: why can’t my touch screen communicate with the PLC? For example, here are two common problems: 1. Weintek touch screen cannot communicate with Siemens PLC, constantly indicating that the PLC is unresponsive. How should I set it up? Solution Approach: Ensure that the baud rate, data bits, and … Read more
Search on WeChat Technical Training When it comes to the S7-200SMART PLC, it typically uses Ethernet communication to exchange data. For instance, the Weilin touch screen now supports communication control with the 200SMART via the network port. But can the 9-pin serial port still communicate with the Weilin touch screen? The answer is definitely yes. … Read more