#include "io430.h"/*There are two ways to control the on and off of the LED light.Method 1: interrupt function. Method 2: use if(P4INBIT2) to judge.When writing code, try to follow the steps to avoid ...
The MATLAB simulation model for online parameter identification of permanent magnet synchronous motor based on model reference adaptive MRAS can identify the motor resistance, inductance and permanent...
The following article is from Analog Devices, author ADIHave you noticed that when comparing systems operating at different speeds, or looking at how a software-defined system handles signals of diffe...
When I use AD18 to draw a schematic, the following situation appears. I have been using AD14 for a long time and I am not used to it. Why does the point where the wires converge become like this? Can'...
I first determined the range of the turns ratio (0.3, the maximum input voltage is the drain peak voltage) based on the maximum withstand voltage of the primary-side MOS tube and the reverse withstand...
I would like to share with you a press release. The security issues mentioned in the article do require us to pay more attention.
Connected sports devices, desktop toys and medical wearables face new ...
The 89C51 chip does not have its own PWM generator. If you want to use 51 to generate PWM waves, you must use software programming to simulate it. Methods can be roughly divided into two methods: sof...[Details]
For many power distribution designs, it seems that having a measurement system bandwidth of tens of MHz is sufficient. Most switch designs have switching frequencies of hundreds of kHz, and the highe...[Details]
The circuit schematic and PCB diagram of the L297A+L298N chip stepper motor driver module drawn by Altium Designer are as follows: (The project file can be downloaded in the 51hei attachment) The a...[Details]
1. Basic knowledge of JTAG JTAG is the abbreviation of Joint Test Action Group, which is the IEEE 1149.1 standard. Advantages of using JTAG: The establishment of JTAG allows integrated circuits t...[Details]
The voice chip is a part of the chip, a voice IC; in Chinese it is also called a sound chip or a music chip. It is an integrated circuit chip that can be controlled by buttons or an MCU and can dir...[Details]
Jitter measurement has always been called the highest realm of oscilloscope test measurement. The most intuitive traditional jitter measurement method is to use afterglow to view the changes in the...[Details]
As we all know, lithium batteries have the advantages of being green and environmentally friendly, having a long cycle life, high energy density, and high operating voltage. Since the early 1990s, li...[Details]
A single-chip microcomputer is an integrated circuit chip, a branch of a microcomputer, which uses ultra-large-scale integrated circuit technology to integrate a computer's CPU, memory, and i...[Details]
Digital multimeters are electronic instruments used in electrical measurements. For easy operation, Tektronix Technologies Co., Ltd. has launched the Keithley DMM6510 6-digit semi-benchtop/system dig...[Details]
Fault phenomenon Sometimes it won't boot, and it restarts at irregular intervals. Testing process After testing, it was found that the instrument control board was damaged, causing it to fail to tu...[Details]
This program is used in a colorful infrared remote control decoding program. The microcontroller uses PIC12F629. The software simulates three-way PWM output to drive the red, green and blue LEDs into...[Details]
According to foreign media reports, researchers at the Indian Institute of Technology (IIT) are developing the world's first in-vehicle "intelligent speed warning system". The system will alert drive...[Details]
Mobile phone fast charging has developed rapidly in recent years, especially the five major domestic mobile phone brands, which have surpassed Apple and Samsung in charging power and speed, and led t...[Details]
According to data from the Ministry of Transport, the transportation industry currently accounts for about 17% of my country's energy consumption structure, while green electricity accounts for a rela...[Details]
Overview Flash is widely used as the storage material in STM32. There are many introductions about the concept of flash on the Internet, so I will not go into details. I will share a Chinese flash p...[Details]
Microcontroller MCU
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