Outdoor Testing of Wireless Transmission and Reception Modules

Outdoor Testing of Wireless Transmission and Reception Modules

01 Wireless Transmission and Reception 1. Introduction Yesterday, I tested this micro 433MHz receiving module, which can read the transmitted coding information through programming the microcontroller. I am now preparing to conduct outdoor tests with a battery and the transmitting module. The LED status on the receiving module will indicate whether the reception is normal. … Read more

DAC and ADC: The Reciprocal Journey Between Digital and Analog

DAC and ADC: The Reciprocal Journey Between Digital and Analog

“Analyzing the working principles of digital-to-analog converters and analog-to-digital converters—from resistor ladder networks to Delta-Sigma modulation techniques.” Microcontrollers are “consuming” the entire world. Nowadays, even the most basic tasks like blinking an LED are cheaper and simpler with microcontrollers than building oscillating circuits with discrete components or relying on the once ubiquitous 555 timer chip. … Read more

I2C Bus Technology in Microcontrollers: Is It Really That Simple and Practical for Storing Alarm Data?

I2C Bus Technology in Microcontrollers: Is It Really That Simple and Practical for Storing Alarm Data?

For more exciting content, please click the blue text above to follow me! ————————————— Research Journey With a firm understanding of cutting-edge technology, I reminisce about my deep research during my spare time. I often write articles on my computer, ensuring to publish one every day. As the months pass, my passion grows stronger, and … Read more

I2C Bus Communication Protocol

I2C Bus Communication Protocol

I2C Bus (Inter-Integrated Circuit)is a two-wire serial bus developed by PHILIPS for connecting microcontrollers and their peripherals. It is a widely adopted bus standard in the field of microelectronics control. It is a special form of synchronous communication, characterized by fewer interfaces, simple control methods, fewer device packaging forms, and high communication rates. The I2C … Read more

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

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

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

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

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…

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

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