Analysis of a Flyback LED Power Supply Controller Circuit with PFC1. AC input mains voltage sampling divider resistor for PFC control; 2. AC input mains current sampling resistor for PFC control; 3. R...
stm32 LED, ADC driver code is as follows: if(LED_Flag==1) { PM25_LED0=1; //Light up the LED delay_us(320); PM25_LED0=0; //Turn off and wait for the next measurement LED_Flag=0; //Flag returns to 0 } i...
How can I control my filter driver to load only as a filter driver for USB mass storage devices? I saw that bushound's filter driver is loaded as a USB class lower filter. Now I only want to filter su...
The input voltage of LM2576 is 12V. When the total power consumption of my LCD backlight reaches 800MA, the inductor makes a terrible buzzing sound. I have tried the inductor connected to LM2576 from ...
Why do you need points to download? I know that I will offend many people after posting this, but I still can't help it. Unless the document you download is your own work, why do you need points to do...
I have just learned ucos-ii recently and want to port ucos-ii to mpc8247. I wonder if anyone has done related experiments and can provide a rough step-by-step guide. Thank you!...
The intelligent driving community has its own rhythm. Some are busy pushing new versions and focusing on R&D, others are busy with publicity and promotion, and still others are immersed in mass pro...[Details]
1. Equipment Overview
Shell-and-tube heat exchangers are a common heat exchange device used in chemical evaporation and heating equipment. Currently, the tubesheets of shell-and-tube heat exch...[Details]
New energy vehicles are increasingly popular with consumers due to policies and energy conservation. Once you've purchased your vehicle, maintenance is essential. However, due to the different powe...[Details]
New energy pure electric vehicles generally accelerate faster than comparable fuel-powered vehicles, both from a standing start and while accelerating. Many believe this is simply due to the motor'...[Details]
Recently,
Xpeng Motors and Xinlian Integrated Circuit jointly announced the mass production of China's first hybrid silicon carbide product.
Designed and developed by Xpeng Motors and joint...[Details]
White light LEDs are voltage-sensitive devices. In actual operation, their upper limit is 20mA. However, the current often increases due to various reasons during use. If no protective measures are...[Details]
The Automotive Testing and Quality Assurance Expo (ATE 2025) will open on August 27th. At the expo, Rohde & Schwarz (R&S) will showcase six automotive testing solutions, themed "Intelligently Drivi...[Details]
Since its invention in the mid-1940s, the microwave oven has evolved from a humble beginning to commercial use, entering homes in the 1960s and rapidly gaining popularity. Its basic functionality a...[Details]
The digital TV set-top box consists of a tuner, QAM demodulator, TS demultiplexer, MPEG-2 decoder, PAUNTSC video encoder, embedded CPU system and peripheral interfaces, CA module, and uplink data m...[Details]
Electric vehicles are becoming increasingly popular, with increasingly longer ranges. There are two ways to charge electric vehicles: slow charging and fast charging. Which is the most suitable? Sl...[Details]
Electric vehicles' 12V batteries don't rely on a generator to power them. Only gasoline-powered vehicles rely on the engine to drive a generator to generate electricity while driving, which is used...[Details]
The 2025 China International Automotive Testing Exhibition will be held at the Shanghai World Expo Exhibition and Convention Center from August 27 to 29, 2025.
Clacton Seafront, UK, ...[Details]
Lightweighting of automobiles is still a relatively unfamiliar term for automobiles. With the continuous improvement of environmental protection requirements, relevant regulations have also put for...[Details]
With growing environmental awareness, the continuous improvement of three-electric technology and the increasing deployment of infrastructure such as charging stations, the electrification of new e...[Details]
Speaking of the problem of vehicle spontaneous combustion, whether it is a pure electric vehicle or a fuel vehicle, there will be incidents of spontaneous combustion. For the same spontaneous combu...[Details]