PLC2400050

first part: STM32 key input is my second small example of input on the STM32 platform. The idea is to first query the hardware diagram to see whether the key is low-level effective or high-level effe...[Details]

  The principle of LED light emission is different from traditional lighting . It relies on PN junction to emit light. LED light sources with the same power have different chips and different curr...[Details]

I have been studying arm assembly language syntax for more than a month. I finally got started. Of course, there are still many things worth continuing to work hard on.   Recently I have some new ins...[Details]

At the Huawei Developer Conference yesterday, Hongmeng OS 2.0 was officially released. Wang Chenglu, President of Huawei's Consumer Business Software Department, shared his views on this version. W...[Details]

According to news on July 5, SNE Research, a new energy market research organization, recently released a power battery industry report. The report data is based on global power battery usage from J...[Details]

According to the latest edition of the McClean Report published by IC Insights in 2021, R&D spending by global semiconductor companies is expected to grow 5% in 2020 to a record high of $68.4 billion...[Details]

　　Electronic devices usually use a casing to shield interference from external electromagnetic fields. The casing usually has holes on the outside to provide ventilation and visibility. Such holes wi...[Details]

According to The Elec, LG Display will join Samsung Display to jointly supply LTPO TFT OLED panels for Apple's iPhone 14 series to be launched next year (Note: LTPO refers to low-temperature polycrys...[Details]

　　Many electronic designers know the role of filter capacitors in power supplies, but the filter capacitors used at the output end of switching power supplies are not the same as those used in indust...[Details]

/**********（一）Timer A comparison mode*************/  int main( void )  {  WDTCTL=WDTPW+WDTHOLD; //Turn off watchdog  BCSCTL1 =CALBC1_1M Hz ; //Set DCO to 1MHZ  DCOCTL =CALBC1_1MHZ;    P1DIR |= BIT0; ...[Details]

For hexagonal nuts, the commonly used standards are: GB52, GB6170, GB6172 and DIN934. The main differences between them are: GB6170 is thicker than GB52, GB6172 and DIN934, commonly known as thick ...[Details]

Systems with moving mechanical components often have the need to measure what is rotating. In a car, the speed of the wheels is needed to operate the speedometer, traction control, anti-...[Details]

The three major A-share indices showed divergent trends today. The Shanghai Composite Index maintained a volatile consolidation trend throughout the day, and finally closed down 0.06% at 3367.23 poin...[Details]

In recent years, semiconductors have become increasingly important, and many countries and regions have been strengthening the localization of chips. The United States has launched a $52 billion chip...[Details]

As the scale of industry continues to expand, the impact load connected to the power system has increased dramatically, and the power quality problem has become more and more serious, resulting in ...[Details]