PLC LCD Display: Connect LCD Module in One Day for Clear Parameter Display Want to quickly implement LCD display with PLC and make parameter presentation clear at a glance? This guide teaches you how to connect the LCD module to the PLC in just one day through simple steps, achieving intuitive and clear parameter display. … Read more
UART, SPI, and I2C are very common serial communication methods in embedded development. The underlying communication principles of these protocols are not difficult, but many beginners struggle to learn them. Today, I will share some common underlying data transmission principles of these communication methods. UART Serial Communication UART: Universal Asynchronous Receiver-Transmitter. The UART serial port … Read more
Click the blue text to follow! Practical Communication Optimization of PLCs in Factory Information Systems Last week, the newly installed automated production line in the workshop encountered issues right after it went into operation. The data collection was unstable, intermittently dropping, and the production reports were filled with missing data. The factory manager was furious … Read more
PLC Communication Driver: Custom Communication Library Development for Easy Integration of Special Devices! 🔥 The Fatal Flaw of Traditional Communication Methods: Why Can’t Your PLC Connect to Special Devices? Is your PLC often helpless due to incompatible communication protocols? Are you forced to replace hardware due to a lack of flexible communication drivers? Traditional communication … Read more
Hello everyone, I am Lin, an embedded software developer with many years of experience. Today, I will share the essential I2C protocol interview questions that you should master, hoping to help you. Click below to follow my account Follow me Introduction: The interviewer asked some I2C questions, and I couldn’t answer them. As an embedded … Read more
Applications of C Language in IoT: Device Drivers and Communication Protocols Introduction With the rapid development of the Internet of Things (IoT), the C language is widely used in the development of embedded systems and device drivers due to its efficiency and low resource consumption. This article aims to introduce basic users to how C … Read more
A true master always retains the heart of an apprentice! 1. Project Overview Great Resource! Client Implementation of IoT Device Communication Protocols 2. Functional Implementation ModBusTcp Read/Write Operations: ModBusTcp is a communication protocol used for communication with Modbus devices over Ethernet. The ModBusTcp component allows for read and write operations on Modbus devices. ModBusRtu Read/Write … Read more
Comparison of PLC Protocols: Analyzing the Pros and Cons of Mainstream Communication Protocols for Rational Selection of the Best Solution! Introduction Hello everyone! Today we are going to discuss a topic that automation engineers both love and hate — the selection of PLC communication protocols.<span>"Why is my device always experiencing communication instability?"</span> and <span>"Which protocol … Read more
1. Basic Entry: Building a Knowledge Framework (1) Programming Language: C is the foundational language for embedded development and must be mastered proficiently. Its advantages lie in its proximity to hardware and high execution efficiency. When learning, it is essential to deeply understand basic syntax, such as variables, data types, operators, and control statements, as … Read more
Regarding the statement “smart homes have great prospects,” readers may have grown tired of hearing it in recent years. According to data provided by 36kr, the scale of China’s smart home market has been steadily increasing from 2015 to 2023, and by 2020, it is expected to exceed 200 billion yuan. Especially with the gradual … Read more