Qianzhi Electronics (Shenzhen) Co., Ltd. (a subsidiary of Qianzhi Group) was founded in 1986 by Chairman Chen Chuzhi, and has 30 years of outstanding experience in resistor production. We introduce the best production technology and raw materials from Taiwan, China, and provide the most cost-effective electronic components for B2B manufacturers around the world. The main products include home appliances, monitors, uninterruptible power supply systems, LED lights, power supplies, communication equipment and automobiles. The main markets are in China, Southeast Asia, America, Europe and other places.
[code]function findR(val,err,sel,area) %Find matching resistor %val=R2/R1 %err deviation %sel resistor selection, use 1% resistor when 1, use 5% resistor when 5 %area order of magnitude range, search ...
For many engineers, using various tools become everyday job, sometimes we even miss in those tools. In the article, the author went through one experience of solving routing congestion in the design t...
I put my 6410 into hibernation and then woke it up. For less than 1 second, the screen showed the image before it went into hibernation. It seems that the video memory was not refreshed and the backli...
Using vivi, it shows booting the kernel but nothing happens: The details are as follows vivi> boot Copy linux kernel from 0x00030000 to 0x30008000, size = 0x001d0000 ... done zImage magic = 0x016f2818...
Since the clocks of the transmitting and receiving ends are from different sources, clock synchronization, i.e. code synchronization, is required. I used an early-late gate to achieve code synchroniza...
On August 24th, Tesla CEO Elon
Musk
revealed information about the upcoming FSD V14, claiming it will outperform human drivers. Tesla FSD lead Ashok stated last year that FSD version 12.5, ...[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]
introduction
The concept of the smart home is gradually developing and gaining market acceptance. We believe its ultimate form lies in the interconnection of all home appliances through open i...[Details]
1. Ease of Use: The HMI module should be designed to be simple and clear, allowing users to easily operate and configure the energy storage device.
2. Ease of Maintenance: The HMI module should...[Details]
On August 22, according to CNBC's report today, the National Highway Traffic Safety Administration (NHTSA) is launching an investigation into Tesla, and the latter is questioned whether it has fail...[Details]
Methods of DC motor speed regulation:
1. The voltage regulator can be used to change the input voltage and speed directly, which is often used for large kilowatt-level motors.
2. Thyristo...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
The composition of the water heater
The water heater itself is divided into the following parts:
1. Water tank.
This is where the water heater is filled with water and where the wate...[Details]
I recently read an article in the Wall Street Journal titled "We need the right to repair our gadgets" (reference original article: ). The author was very angry about the phenomenon of "planned obs...[Details]
Hair dryer structure and working principle: It is mainly used for drying and shaping hair, but it can also be used for local drying, heating and treatment in laboratories, physiotherapy rooms, ind...[Details]
The characteristics of electric vehicles place high demands on the motors they use. To increase top speed, the motor should have high instantaneous power and power density (W/kg); to increase drivi...[Details]
Let’s first take a look at the development concept of the EVD series.
The EVD control module is specially developed for operation in extreme environments. Components that meet these requiremen...[Details]
The power battery is a crucial component for vehicles, determining its lifespan and range. According to national regulations, when the capacity of an electric vehicle's power battery drops below 80...[Details]
introduction
Whether in the automotive entertainment or home theater system markets, consumers continue to demand more channels and speakers, each capable of handling higher audio po...[Details]
Using the STM32F103 as a microprocessor, a low-cost wireless WiFi music player system was designed. This system, combined with the WM-G-MR-08 (wm631) module for WiFi data reception and the VS1003B ...[Details]
ARM Technology
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