HC1922G-W

A mobile power bank is a portable device that integrates power storage, voltage boosting, and charging management. The storage medium is generally a lithium battery cell, which is widely used in digi...[Details]

　　With the development of integrated circuits, a highly stable and accurate reference voltage source is becoming more and more important. Especially in D/A, A/D conversion and PLL circuits, the tempe...[Details]

This afternoon, Xiaomi officially released its first four-curved waterfall screen concept phone, with an 88° ultra-curved screen design on all four sides. The four surrounding borders are almost comp...[Details]

#include unsigned int flag=0,i=0,b,a ={0,1,2,3,4}; void delay() {   unsigned char i,j;   for(i=0;i 100;i++)    for(j=0;j 100;j++); } void main() {   TMOD=0x20; //Set timer 1 to working mo...[Details]

The mobile platform has not reached the saturation we have seen in the evolution of desktop CPUs. This is because the smartphone market has just begun to grow rapidly, which is the main motivation fo...[Details]

0 Introduction When vortex flowmeter was put into industrial application in the 1970s, it was once called digital orifice plate, which means that it has significant advantages and will be widely used...[Details]

A network analyzer is a powerful test and measurement instrument. As long as it is used and operated correctly according to the flow, it can achieve extremely high accuracy. It uses its own signal so...[Details]

The design uses a special chip to form a PWM signal generation system and explains in detail the principle and generation method of PWM signals and how to adjust the PWM signal duty cycle through sof...[Details]

       July 27 news, today, Xiaomi Charity Foundation officially announced that Xiaomi Charity Foundation donated a total of 1 million euros to the flood-stricken areas in Germany, the Netherlands an...[Details]

LG Display, which is counting on its transformation to an OLED business structure, will urgently send a special plane carrying 300 technicians to the Guangzhou OLED factory for support. LG Display's ...[Details]

Zangge Holdings disclosed its semi-annual report on the evening of August 19. The company achieved operating income of 1.102 billion yuan in the first half of 2021, a year-on-year increase of 23.93%;...[Details]

Determine the PLL process:  1. Determine the CPU frequency                 Fcclk  2. Determine the crystal frequency         Fosc, Fcclk must be an integer multiple of Fosc.  3. Calculate th...[Details]

In the process of developing various practical radars, it is necessary to conduct multiple experiments to test the radar's ability to analyze and process target echo signals. Due to the limitations of...[Details]

ECG signals are the representation of human bioelectric activity information. The health status of the human body can be judged through ECG signals. ECG research has always been an important topic in ...[Details]

In our previous blog notes, we have explained how improving the efficiency of electric vehicle powertrains can increase their range (Note I) and how better software controlling inverters and electr...[Details]