D38999/25ND19CN

1. Registering soft interrupt is of course through open_softirq Here are some examples: void __init init_timers(void)   {       int err = timer_cpu_notify(&timers_nb, (unsigned long)CPU_UP_PREPAR...[Details]

In this article, we're going to talk about modulation. Modulation is a key element in creating vivid, organic sounds. You might think that modulation is just adding vibrato to your sound using an L...[Details]

In the first four months of 2020, China and most parts of the world were experiencing an outbreak of the novel coronavirus. New energy upstream and downstream manufacturers, consumers, and project ...[Details]

There is no such thing as free charging convenience. Engineers have come up with many solutions behind the scenes. Looking to the future, don't buy a car that does not support the USB Type-C interfac...[Details]

With the rapid development of power electronics technology, the continuous updating of power devices, and the increasingly perfect development of PWM technology, switching power supplies have been wi...[Details]

This example can significantly improve the conversion efficiency of a capacitor charging device equipped with an external drive type flyback converter for a flashlamp-pumped pulsed solid-state laser....[Details]

On January 22, Honor released its first new product after independence, the Honor V40. The Honor V40 combines rational rectangular space with emotional color changes in its ID design, re-dividing the...[Details]

OLED stands for Organic Light Emitting Diode. The working principle of OLED is to add organic substances between two conductors, and then between the glass panel and the bottom plate. The current p...[Details]

On the 10th, Hubei Dongyu Xinsheng New Energy Co., Ltd. delivered the first batch of battery cell products, marking that the production of Xinwangda Dongfeng Yichang Power Battery Production Base h...[Details]

    When using STM32CubeMX, you can find the Debug Serial Wire option under SYS, as shown in the figure below.     After enabling this option, the corresponding IO pins will become debug pins, as s...[Details]

Recently, I helped a hospital make a temperature recorder. The hardware resources are: stm8L151 + NTC*2 + EEPROM + lithium battery charging protection circuit + 18mAh button battery; the software log...[Details]

First, let's introduce the basic concept of C51 external interrupt Advantages of interrupts: 1. Real-time processing. The CPU is required to respond or process immediately. 2. Exception handling: If ...[Details]

Artificial intelligence (AI) has not only set off a new round of technology craze around the world, but also attracted the attention of entrepreneurs. Bill Gates, the world's richest man and founder ...[Details]

TSMC continues to expand its investment in Taiwan, and it is rumored that the next major investment project will be in Kaohsiung. It has selected the former site of CPC Kaohsiung Refinery to build an...[Details]

LED constant current driver Introduction Since LED is a characteristic-sensitive semiconductor device with negative temperature characteristics, it needs to be st...[Details]