Communication Protocols

Understanding SPI, UART, and I2C Communication Protocols

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Understanding SPI, UART, and I2C Communication Protocols

Introduction SPI (Serial Peripheral Interface), UART (Universal Asynchronous Receiver/Transmitter), and I2C (Inter-Integrated Circuit) are common serial communication protocols, each with unique characteristics in hardware interfaces and communication methods, suitable for different application scenarios. You can get a general understanding of these three communication protocols from the following diagrams: Next, we will introduce these three communication … Read more

Methods to Improve RS-485 Bus Reliability and Common Fault Handling

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Methods to Improve RS-485 Bus Reliability and Common Fault Handling

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On-Site Handling of RS-485 Bus Communication Failures

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On-Site Handling of RS-485 Bus Communication Failures

RS-485 (RS232 to RS485) bus interface, as an electrical specification for multipoint and differential data transmission, has become one of the most widely used standard communication interfaces in the industry. The RS-485 standard specifies only the electrical characteristics of the interface and does not involve connectors, cables, or protocols, allowing users to establish their own … Read more

CAN vs RS-485: Which Is Right for You?

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CAN vs RS-485: Which Is Right for You?

Both CAN communication and RS-485 communication are commonly used communication methods in the field of industrial automation. However, the choice of communication method varies depending on the application scenarios. Therefore, selecting the appropriate communication method is one of the key factors that determine whether a product gains market acceptance. CAN Communication The CAN protocol, after … Read more

Are You Struggling with RS-485 Circuit Design?

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Are You Struggling with RS-485 Circuit Design?

As an electronic engineer, the RS-485 serial interface is a fundamental and widely used topic that is often encountered in daily designs. So how can we quickly and effectively solve RS-485 circuit design issues in practical applications? RS-485 Standard The full name of the RS-485 standard is TIAA/EIA-485 serial communication standard. Data communication uses differential … Read more

Yes, mbed OS 5 Is Now Available

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Yes, mbed OS 5 Is Now Available

Cover image: This is the “Internet of Things” as seen by people from 1960 to 1990. Recently, ARM mbed released mbed OS 5.3, which is a further performance upgrade based on previous versions. This is a good sign, indicating that the basic framework and development approach have been established, and there should no longer be … Read more

The Past and Present of ZigBee Technology

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The Past and Present of ZigBee Technology

In the field of smart hardware and the Internet of Things, the well-known ZigBee is indeed widely recognized. Apart from WiFi and Bluetooth, ZigBee is currently one of the most important wireless communication protocols, primarily applied in the fields of IoT and smart hardware. The following text introduces various aspects of ZigBee in a Q&A … Read more

Understanding The Differences And Applications Of SPI, UART, I2C Communication

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Understanding The Differences And Applications Of SPI, UART, I2C Communication

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Understanding The Differences And Applications Of SPI, UART, And I2C Communication

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Understanding The Differences And Applications Of SPI, UART, And I2C Communication

Source: Network Communication between electronic devices is like communication between humans; both parties need to speak the same language. In electronic products, these languages are called communication protocols. I previously shared articles on SPI, UART, and I2C communication separately, and this article compares them. Serial VS Parallel Electronic devices communicate by sending data bits back … Read more

Principles of Communication Protocol Design for Embedded Devices and PCs

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Principles of Communication Protocol Design for Embedded Devices and PCs

Click below【Learn Embedded Together】 to follow, learn together, and grow together Embedded devices need to set parameters during operation, which is often accomplished by a PC. A communication protocol must be designed for both parties, with three representative protocols as follows: From the table above, it can be seen that embedded devices generally have limited … Read more