RS-232-C Serial Port and Cable Usage Instructions

RS-232-C Serial Port and Cable Usage Instructions

The serial interface, abbreviated as serial port, is also known as the serial communication interface (usually referring to the COM interface). It is an expanded interface that uses serial communication. If classified by interface, there are several types including RS-232, RS-422, and RS-485, among which the RS-232 serial port is the most commonly used serial … Read more

Debugging Tool – Serial Port Debugging

Debugging Tool - Serial Port Debugging

Click the blue text / Follow us As we all know, our new version of the debugging tool from Bafanghui2022 has been released! I believe that electrical engineers will use it when encountering difficulties at work. Today, I will detail the serial port debugging function of our new version of the debugging tool. First, open … Read more

Research on Acoustic Configuration of Embedded Devices

Research on Acoustic Configuration of Embedded Devices

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

Understanding Low Energy Bluetooth Technology

Understanding Low Energy Bluetooth Technology

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

Understanding Bluetooth and Wi-Fi Technologies

Understanding Bluetooth and Wi-Fi Technologies

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

Understanding WiFi: What Is It?

Understanding WiFi: What Is It?

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

Reasons and Solutions for Touchscreen and PLC Communication Issues

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

Touch Screen and PLC Communication Issues? Expert Tips to Solve Them!

Touch Screen and PLC Communication Issues? Expert Tips to Solve Them!

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

How to Easily Communicate Between S7-1200 PLC and Weintek Touch Screen

How to Easily Communicate Between S7-1200 PLC and Weintek Touch Screen

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