Shenzhen Changjiang Connector Co., Ltd. is a world-leading professional connector manufacturer with 20 years of experience. Its products mainly include wire-to-board connectors, board-to-board connectors, wire-to-wire connectors, wire harness processing and connector design, mold development and manufacturing. It is compatible with international brand connectors from Europe, the United States, Japan, South Korea and other countries.
A complete DSP program contains at least three parts: program code, interrupt vector table, and link command file (or link configuration file) (*.cmd).
The link configuration file determines the optio...
1. Introduction:
The official demo uses a blocking method to light up the lamp, which means waiting. During the waiting period, the MCU cannot do other things (except interrupts). This method is not v...
A brief discussion on the development creativity of electronic products and the use of online resources to assist in development : https://training.eeworld.com.cn/course/5344...
I made an active integration circuit using an op amp, as shown in the figure, but the output of the op amp keeps oscillating. I used a switching power supply to provide a positive and negative 5V powe...
Figure 1 shows a simple voltage holder circuit. When used to measure the working voltage of a circuit (or circuit board), the voltage value can be kept on the voltmeter for a long time. This can ...[Details]
The following delayed reset circuits are all formed by using the charging time of an RC branch connected to the RST pin of the microcontroller. The typical reset circuit is shown in Figure (a), whe...[Details]
The circuit in Figure 1 powers a conversion circuit that has both new 3.3V and legacy 5V devices. Also, because the regulator accepts both 3.3V and 5V inputs, it can be used directly in new 3.3V sy...[Details]
On January 6, the reporter learned from State Grid Jilin Electric Power Co., Ltd. that the utilization rate of new energy in Jilin power grid reached 97.7% in 2019, an increase of 3.8 percentage po...[Details]
SWD:Serial Wire Debug We usually use Jlink downloader, but one disadvantage of this downloader is that it uses Jtag 20PIN interface. Too many PINs will make some small PCB boards crowded and in...[Details]
On January 25, Fang Xiaoqiu, a shareholder of Moso Power Technology Co., Ltd. (stock code: 002660), pledged 410,000 shares to Guohai Securities Co., Ltd. for additional pledge.
The pledged...[Details]
High-voltage capacitors also have the function of improving the efficiency of microwave oven circuits. Because there is a lagging leakage inductance current when the leakage transformer is working, th...[Details]
Ultrasonic waves are mechanical waves with a frequency of more than 20KHz, and their propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be generated by ultrasonic sensors....[Details]
The motor driver controls the motor's rotation angle and speed to achieve duty cycle control and motor idle speed control. For motor applications, in addition to selecting the right motor type, dri...[Details]
With the widespread application of 3D facial recognition technology, face recognition is replacing fingerprint recognition as the mainstream of payment and security authentication. WeChat and Alipay ...[Details]
1 Introduction
Temperature is the most commonly used thermal quantity in industrial and agricultural production. As a contact temperature sensor, thermocouples are widely used in industrial temperatu...[Details]
1. Cable characteristics
Cable is the main component of CATV network, it has three characteristics: impedance characteristics, transmission characteristics and temperature characteristics. The...[Details]
On September 17, the 2020 23rd China Integrated Circuit Manufacturing Annual Conference and Guangdong Integrated Circuit Industry Development Forum was held in Guangzhou. Dr. Yin Zhiyao, Chairman and...[Details]
Ultrasonic humidifier (ultrasonic atomizer) uses ultrasonic transducer to generate high-frequency vibration to atomize the water surface. During the atomization process, water mist is generated and...[Details]
With sensors costing anywhere from $15 to $1,000, automakers are beginning to question how many sensors a vehicle needs to be fully autonomous at least part of the time.
These sensors ar...[Details]
Analog electronics
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