51 Microcontroller

Core Computer Knowledge Points for Shandong’s 2022 Upgrade Examination (Part Nine)

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Core Computer Knowledge Points for Shandong's 2022 Upgrade Examination (Part Nine)

Hua Zhi Upgrade ExaminationClick the blue text above to follow and view other articles 1、Classification of Microcomputers Microcomputers can be classified based on their performance, structure, and technical characteristics as follows: (1) Microcontroller: A microcontroller is formed by integrating a microprocessor (CPU), a certain capacity of memory, and I/O interface circuits onto a single chip. … Read more

Detailed Communication Methods Between Bluetooth Modules and Microcontrollers

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Detailed Communication Methods Between Bluetooth Modules and Microcontrollers

Bluetooth communication is quite interesting! In simple terms, it allows microcontrollers to chat with mobile phones and communicate with tablets. Beginners often find this quite challenging, but really… it’s just a serial port! Today, we will start from the basics and break down these seemingly advanced technologies. Basic Concepts – Don’t Be Intimidated by Terminology … Read more

Texas Instruments Launches the World’s Smallest MCU, Measuring Just 1.38mm²

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Texas Instruments Launches the World's Smallest MCU, Measuring Just 1.38mm²

On March 12, Texas Instruments (TI) unveiled the world’s smallest microcontroller (MCU), the MSPM0C1104, at the Embedded World exhibition in Germany. It measures just 1.38mm², which is 38% smaller than the current smallest MCU on the market, with a unit price of approximately $0.16. The MSPM0C1104 is based on the Arm Cortex-M0+ core and features … Read more

World’s Smallest MCU Released

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On March 13, Texas Instruments (TI) announced at Embedded World 2025 the release of what it claims to be the “world’s smallest microcontroller (MCU)”, with an area of only 1.38 square millimeters and a price of approximately $0.16. This MCU, named MSPM0C1104, features an Arm Cortex-M0+ core, 16KB of memory, a 12-bit SAR ADC with … Read more

If I Became a Microcontroller…

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If I Became a Microcontroller...

Source: 21ic Electronics Network Original Author: Na Luo Mi Mi A microcontroller (单片机) is an integrated circuit chip that combines a central processing unit (CPU) with data processing capabilities, random access memory (RAM), read-only memory (ROM), various I/O ports, an interrupt system, and timer/counter functions into a single silicon chip, forming a compact and complete … Read more

Choosing and Soldering Techniques for Universal Circuit Boards

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Choosing and Soldering Techniques for Universal Circuit Boards

Click the image above to follow “Chuangxue Electronics” and easily learn electronic knowledge. Chuangxue Electronics Subscription Daily updates on technical articles in the electronics industry and the latest news on microcontrollers, making learning easy anytime, anywhere. A universal circuit board is a printed circuit board filled with pads according to the standard IC spacing (2.54mm), … Read more

What Is a Circuit Board? Do You Really Understand It?

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What Is a Circuit Board? Do You Really Understand It?

Click the button above to follow us and addstar★ to get timely industry news How much do you know about circuit board knowledge? What is line width, line spacing, and how are hole attributes classified? What is SMD PAD, NSMD PAD? What is VIPPO, POFV, VIP? What is HDI board? What board is called anylayer? … Read more

I2C Communication Principles and Programming Implementation

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I2C Communication Principles and Programming Implementation

I2C (Inter-Integrated Circuit) is a serial communication protocol used for short-distance communication, typically for data transmission between microcontrollers and various peripheral devices (such as sensors, displays, memory, etc.). Characteristics of the I2C Protocol The I2C protocol has several notable features: Two-wire Communication: The I2C protocol uses only two signal lines: SDA (data line) and SCL … Read more

Embedded Communication Principles – SPI Bus Communication Principles and Applications

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Embedded Communication Principles - SPI Bus Communication Principles and Applications

Click the Blue Text Follow Us Introduction to SPI SPI (Serial Peripheral Interface) is a synchronous serial communication protocol used for data transmission between devices over short distances. It is commonly used for communication between microcontrollers and external devices such as sensors, flash memory, displays, etc. SPI has the following main characteristics: Basic Principles SPI … Read more

STM32 Microcontroller Communication Protocol: Bluetooth as a Wireless Link

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STM32 Microcontroller Communication Protocol: Bluetooth as a Wireless Link

In today’s booming era of the Internet of Things (IoT), microcontrollers play a crucial role as core control units. Bluetooth technology, with its convenient wireless communication characteristics, has expanded the application space for microcontrollers. The STM32 series microcontrollers are favored by developers for their high performance and low power consumption. 1. Overview of Bluetooth (1) … Read more