10122539-1003143LF

At present, the charging of portable electronic devices 　　such as mobile phones, MP3 and laptops mainly adopts the traditional charging method of connecting one end to the AC power supply and the ot...[Details]

Problems of high-power LED in LED lighting 1. LED color difference problem There is basically no color difference problem in the application of a single LED, but if many LEDs ...[Details]

I'm using Atmel's AT90USB128x/64x and ATmega32U4 to design a keyboard. One of the AT90 microcontrollers was locked due to a wrong fuse setting, so the programmer couldn't flash the program to it. I f...[Details]

1. Initialization of CAN bus void can_init(void) {       CAN_InitTypeDef        CAN_InitStructure;       CAN_FilterInitTypeDef  CAN_FilterInitStructure;       /* CAN register init */       CAN_...[Details]

In 2020, the semiconductor industry experienced the complexity and uncertainty of the global epidemic and international situation. As for how the industry will develop in 2021, Guangdong Xinju Energy...[Details]

/**************************Asm version**********************************/  /*Purpose of the experiment:  Test the PWM output function of the CCU module (control the duty cycle).  The duty cycle is co...[Details]

On September 10, Envision Wuwei Minqin Industrial Park held a ceremony to launch the first batch of energy storage products and the power generator project, conscientiously implementing General Secret...[Details]

On September 20, 2024, Shenzhen welcomed a grand event in the industry - Digu Day and new product launch conference was successfully held. This event not only witnessed another milestone of Digu Ro...[Details]

Video surveillance systems are widely used in industrial, military and civil fields, playing an important role in the security and environmental monitoring of these industries. Video surveillance sys...[Details]

1 Introduction Frequency synthesis technology has gone through three generations: direct frequency synthesis technology, phase-locked loop frequency synthesis technology, and direct digital fr...[Details]

In the first half of 2021, the impact of the chip supply and demand imbalance continued, and the inventory of overseas IC manufacturers fell into a low warning level. Domestic foundry factories wer...[Details]

ABI-3400 professional grade circuit board fault detector Features: Three-dimensional VIF curve tester Variable frequency scanning VIF curve tester Professional grade VIF curve tester Static diagn...[Details]

LED backlight greatly improves the color of LCD monitors. Why has QUALIA005 attracted widespread attention? The most important reason is that the colors of QUALIA LCD color TVs are particularly...[Details]

Preface This chapter uses extended Kalman filtering for sensorless control of permanent magnet synchronous motors. First, the principle of extended Kalman filtering is analyzed, then the state...[Details]

LC oscillation arc extinguishing circuit   Figure LC oscillation arc extinguishing circuit The circuit of LC oscillation arc extinguishing is shown in the figure . The capacitor has a voltage...[Details]