The I2C bus is one of the most commonly used communication protocols in embedded systems, serving as a “dedicated highway” between microcontrollers and various sensors and memory devices. Today, let’s discuss how this protocol works and how to use it to read data from temperature and humidity sensors. I2C Protocol Basics The I2C protocol uses … Read more
Hello everyone, I am XXX. Today I bring you a detailed analysis of microcontroller communication protocols, including mainstream protocols such as UART, I2C, and SPI. These protocols are the bridge for data exchange between microcontrollers and other devices, and mastering them is crucial for embedded system development. Let’s break them down one by one, and … Read more
Source: https://blog.csdn.net/an520 UART, SPI, and I2C are very common serial communication methods in embedded development. The underlying principles of these communications are not difficult, but many beginners struggle to learn them. Today, I will share some common low-level data transmission principles of communication. UART Serial Port UART: Universal Asynchronous Receiver-Transmitter. UART is the most common … Read more
Click the blue text to follow Servo and Motion Control RS232 and RS485 are common interfaces in low-voltage electronics. Many friends have mentioned the differences between them, so today let’s explore them together. 1. Physical Structure of the Interface 1. RS232 Interface: RS-232 uses an unbalanced transmission method, known as single-ended communication. In contrast, RS485 … Read more
–––Tips:Click the blue text for more previous highlights content.––– High speed railway signal technology exchange Front line ▏ Applicable ▏ Products Content Overview ID: gaotiexinhao Introduction to RS-232, RS-422, and RS-485
Connection Method 1: Not recommended, interference leads to continuous bugs. Solution 2: Connect the passive termination resistor as shown in the figure: recommended. Connection Method 3: Connect 5V active termination resistor: Incorrect Connection Method: Error 1: The bus must be connected in a linear fashion, not in a star configuration. Error 2: Missing termination resistors. … Read more
Click on the above “Embedded Application Research Institute” and select “Pin/Star the Official Account“ Practical benefits delivered first-hand! Source Material | GitHub Compiled & Formatted | Embedded Application Research Institute The SACP (Snapmaker Advanced Communication Protocol) is the data communication protocol for Snapmaker devices, used for data transmission between the Controller, PC (Host), and HMI … Read more
Click the blue text to follow us The Advantages of Mitsubishi PLC Powerful Functions: Mitsubishi PLC has powerful control capabilities, allowing for various complex logic control, sequential control, timing control, counting control, and more. Additionally, it features a rich variety of input and output types to meet diverse control requirements. High Reliability: Mitsubishi PLC adopts … Read more
Difference Between RS232 and RS485 Interfaces 1. Physical Structure of the Interface 1. RS232 Interface One of the computer communication interfaces, typically the RS-232 interface appears in the form of 9 pins (DB-9) or 25 pins (DB-25). Generally, personal computers have two sets of RS-232 interfaces, referred to as COM1 and COM2. 2. RS485 RS485 … Read more
Click↑↑Technical Training, follow and pinto subscribe for free long-term 190,000+Industrial control professionals follow this WeChat platform: technical sharing, learning exchange, industrial control videos RS232 and RS485 are common interfaces in low-voltage applications. Many friends mention the differences between them, so today let’s learn about them together. 1. Physical Structure of Interfaces 1. RS232 Interface: One … Read more