Starting from now - June 16, the channel for exchanging TI points for chip points has been opened. During this period, the full amount can be exchanged according to the exchange rate. After June 24, t...
An error occurred when simulating and debugging the program: no contex-m device found in jtag chain. How to deal with it?
Model: HuaDa HC32L136K8TA The emulator is J-LINK, the detailed configuration a...
I recently encountered a rather strange problem when I was studying the embedded development board nrf52832 and using the keil software for simulation. linking... .\Objects\Experiment.axf: Error: L621...
[size=4]Principle of rectifier transformer[/size] [size=4] [/size] [size=4]The principle of rectifier transformer is the same as that of ordinary transformer. Transformer is a device that converts AC ...
Currently, there is a board using TD1509-P5, the output current is about 30ma, the inductor is 47uh/1a, and the output capacitor is a 100uF high-frequency electrolytic capacitor. However, in actual op...
A simple traffic light experiment
#include reg52.h
#define uchar unsigned char
#define uint unsigned int
#define MAX 30 //The time when the red light is on
#define YELLOW 6 //The time when ...[Details]
GSM technology is applied to automatic soil temperature monitoring in frozen areas to meet the needs of unattended, long-term, multi-point monitoring under harsh climatic conditions. The system stru...[Details]
LED
is called the fourth generation lighting source or green light source. It has the characteristics of energy saving, environmental protection, long life and small size. It can be widely us...[Details]
1. Rectification part Maintenance of circuit boards: if you need to do some dust removal, apply three-proof paint to the board if necessary (for some environments with high humidity and high dust, it...[Details]
Abstract: Based on the analysis of the common methods used by thieves to steal cars, the sensor components required for car anti-theft monitoring are optimized. The design schemes of using the acce...[Details]
Design requirements: 1. This design is based on STC89C51/52 (common to AT89S51/52, AT89C51/52, optional) microcontroller 2. Use DS18B20 temperature sensor to measure temperature (0-99.9°C), and the t...[Details]
Can variable frequency motors be started frequently?
Compared with traditional motors, variable frequency motors have the advantages of high starting frequency, smooth starting, and good load ...[Details]
1 Introduction
As an energy-saving and environmentally friendly green lighting technology, LED (Light Emitting Diode) is widely used in general lighting, backlighting, flash, screen d...[Details]
1. Modifications before transplantation
1.1 include/configs/jz2440 modification
Original definition:
It can be seen that CONFIG_CMD_NAND must be defined first to enable NANDFla...[Details]
2. Important parameters of audio amplifier
1. Power Supply Ripple Rejection Ratio (PSRR) The power supply rejection ratio (PSRR) is the ratio of the deviation of the input measurement power suppl...[Details]
Just like Maslow's five-level needs theory: physiological needs, safety needs, social needs, respect needs and self-actualization, people's demands for car performance are roughly the same. In the ...[Details]
On February 4, it was learned from the Southwest Branch of State Grid Corporation of China that in the face of the epidemic, the branch strengthened its organizational leadership, and further refin...[Details]
In recent years, the automotive industry has been undergoing a profound technological revolution, and at the same time, automotive chips are becoming the core technology supporting this revolution. F...[Details]
As the global
demand
for
new energy vehicles
continues to grow, the
power battery
market has also ushered in unprecedented development opportunities. According to the latest dat...[Details]
Suggestions & Announcements
京公网安备 11010802033920号
EEWORLD
