When communicating with others, we may encounter situations where the other person’s voice is too soft, or we are distracted and didn’t hear what they said. In such cases, we would certainly hope that the other person would repeat themselves. However, based on the Chinese language, our first reaction might be to say, “You can … Read more
PLC Communication Made Easy: A Shortcut to Mastering the Modbus Protocol Hello everyone, I am Lao Liu. With over twenty years of PLC programming experience, I can tell you that many beginners are most afraid of the communication part. Today, let’s talk about something practical—the Modbus protocol. It may seem complex, but it is essentially … Read more
1. Configuration in TIA Portal In TIA Portal, create a new project. This case selects the Siemens S7-300 PLC, model CPU 313C-2DP. This PLC is an integrated PLC with a built-in PROFIBUS-DP port, which can act as a master or a slave. In this case, the PLC acts as the master. Step 1: Add the … Read more
In the complex world of electronic circuits, various circuit module devices need to communicate with each other to work together. The I2C interface acts as a communication bridge between these circuit module devices, and today we will delve into it. 1. Starting with a Physical Example The image below shows an I2C module I created. … Read more
The Secret Date Between PLC and Arduino: How Two Platforms Collaborate for Home Automation Hello everyone, I am Lao Liu, a veteran in the industrial control industry. Today, let’s discuss an interesting topic: how to combine industrial-grade PLCs with DIY Arduino to create some home automation gadgets. This all started with my balcony vegetable growing … Read more
This configuration requires the following for three-party calls: main unit, extension, power supply, room phone, and cabin intercom.For five-party calls, the following is required: main unit, extension, power supply, room phone, cabin intercom, and top cabin sub-unit.Bottom cabin sub-unitThe two configuration methods are shown in the images below
V2X technology connects vehicles with other traffic participants (such as other vehicles and pedestrians) and infrastructure like traffic lights and roadside units through real-time communication, thereby enhancing road safety, optimizing traffic efficiency, and providing critical support for autonomous driving. This article will comprehensively explore the implementation path of V2X technology from the aspects of technical … Read more
Click the blue text Follow us STM32 SPI Communication High-speed full-duplex communication bus The SPI communication uses 3 lines and a chip select line. The 3 lines are SCK, MOSI, and MISO, and the chip select line is NSS (CS). The NSS signal line goes from high to low, which is the start signal for … Read more
Hello everyone, I am Goat.I2C signals are a very common type of signal. It is a two-wire serial bidirectional bus used to connect microcontrollers and external devices. Because it only requires two pins (CLK and DATA), the hardware implementation is simple and highly scalable, making it widely used for communication between multiple integrated circuits ICs … Read more
