With the widespread adoption of smart products, the development and design of electronic products have gradually become the core content of study for students in electronic-related majors. Since its introduction in the 1970s, the microcontroller has quickly become the preferred choice for developing electronic products due to its strong real-time control capabilities, low cost, and … Read more
Optimizing a program usually refers to enhancing the program code or the execution speed of the program.Optimizing code and optimizing speed are essentially a contradictory unity.Generally, optimizing the size of the code will lead to an increase in execution time;if the execution speed of the program is optimized, it usually results in an increase in … Read more
Authors: Liu Hanqing, Tong Xiaohong, Li Xiaojing With the increasing demand for application-oriented technical talents in society, higher vocational colleges have begun to place greater emphasis on practical teaching components in their training models, strengthening students’ practical abilities and innovative spirit. The microcontroller technology course is one of the core courses in electronic majors, and … Read more
Introduction to Common Microcontroller Chips STC Microcontroller The microcontrollers from STC are primarily based on the 8051 core, representing a new generation of enhanced microcontrollers. The instruction set is fully compatible with traditional 8051, offering speeds 8 to 12 times faster, equipped with ADC, 4-channel PWM, dual serial ports, a unique global ID, good encryption, and strong … Read more
Algorithm: The basic ideas and methods for solving problems with computers. Description of the algorithm: It describes the methods and steps taken to solve a problem or complete a task, including what data is needed (what data is input, what results are output), what structures are used, what statements are employed, and how these statements … Read more
1 Introduction In embedded measurement and control systems centered around microcontrollers, the interface between the microcontroller and display devices is an essential link. This involves selecting the type of display device, determining whether to use serial or parallel interfaces, and establishing the display driver, among other issues. A typical display device is the LED digital … Read more
1) STC89C52 The STC89C52 microcontroller is a model from the STC89 series of microcontrollers. The STC89 series microcontrollers are a new generation of high-speed/low-power/highly anti-interference microcontrollers launched by Holtek Technology. The instruction code is fully compatible with traditional 8051 microcontrollers, and 12 clock/machine cycles and 6 clock/machine cycles can be selected arbitrarily. The HD version … Read more
The fuse bit is a bit that can be read at a specific address to determine the state of the fuse. A value of 0 indicates that it has been blown, while a value of 1 indicates that it has not been blown. When a high level is applied to specific pins of a microcontroller … Read more
Common Symbols for Potentiometers The resistance of a potentiometer, also known as its nominal value, refers to the resistance between its two fixed ends. The common symbols for potentiometers are shown in Figure 3. Switch Potentiometer Symbol 1. Enter the main interface of Multisim and directly select the icon button. 2. Next, click on BASIC_VIRTUAL. … Read more
7-segment displays are inexpensive and easy to drive, capable of showing numbers 0-9, characters A, b, C, d, E, F, P, q, L, etc. They are widely used in electronic products for simple data display. For example, in temperature controllers for temperature and setting parameter display, electronic clocks for time display, and elevators for floor … Read more