How much current can a 0Ω resistor carry? This question must have been asked by every hardware engineer. And there is another related question, which is how big the resistance of a 0Ω resistor is?
The...
I have a 10-year-old laptop with an I5 CPU and 4G memory. I haven't used it for two or three years. The day before yesterday, I turned it on. It took about 10 minutes from booting to running. After bo...
Some time ago, I needed to test the charging of a lithium battery pack. The voltage of 18 lithium batteries in series can reach more than 70V. I used to have a GPC-6030D linear adjustable power supply...
Qorvo (Nasdaq: QRVO), a leading provider of innovative RF solutions that connect the world, today introduced the industry's smallest single-chip motor control and inverter solution for brushless DC (B...
1. Test
I just got the ATK-NEO-6M GPS module. I can't believe that this nearly 100 yuan thing is only 3cm in size. I downloaded relevant information online before. The first quick test must be done wi...
We have introduced the Raspberry Pi speed control before, but that was to control the speed of one wheel. As a result, the speed was sometimes slow and sometimes fast, but the error was acceptable. Th...
Currently in the new energy vehicle market, new car manufacturers are making increasingly fierce efforts, with good news on delivery volume coming in frequently. Yesterday, NIO announced its delive...[Details]
On February 10, IC Insights released its comprehensive forecast and analysis of the global semiconductor industry. The report predicts that total semiconductor sales will increase 11% this year, foll...[Details]
introduction
LED display screen has the advantages of low cost, long life, low power consumption and wide operating temperature range, and is widely used in the display of text and image informa...[Details]
The development of modern industry has spawned many new technologies and new equipment. Ultrasonic technology is one of the important ones. Ultrasonic waves are used in many industries and departments...[Details]
Recently, overseas media reported that General Motors announced a partnership with the three largest charging networks in the United States, Ego, ChargePoint and Greenlots, to improve the electric ...[Details]
The high voltage and high power density of inverters have always been an important innovation direction for reducing costs and increasing efficiency in photovoltaics. Recently, the industry has ach...[Details]
I stayed up late and watched Apple's autumn conference
Although the iPhone is still the best mobile phone in the world, its press conferences are getting worse year by year…
The vario...[Details]
Strictly speaking, 5G cannot completely depend on the Internet speed of the mobile phone, because its Internet access method is the mobile phone card data traffic, but there is another way to ac...[Details]
The four-wheel drive cars of our childhood were almost the first time we had close contact with motors. I believe that those who are more hands-on have disassembled and modified motors. In fact, it...[Details]
On July 25, the groundbreaking ceremony for Oriental Hope’s 1.3 million kilowatt integrated source-grid-load-storage centralized photovoltaic power generation project was held in Zhundong, Xinj...[Details]
According to Jiwei.com, under the influence of the epidemic, working and studying from home drove good demand for monitor and notebook panels in April and May, but as some overseas regions began to g...[Details]
8. Infrared computer remote control
After burning the burning file into the AT89C51 microcontroller, connect the computer serial port to the 51 experimental board with expansion components. After t...[Details]
Since 2019, good news has been coming out frequently in the game console market: Switch recently announced that it will soon release a Chinese version; Xbox xOne also announced that a new member will...[Details]
STMicroelectronics' HFA80A automotive-scale input Class-D audio amplifier combines high efficiency, small size and low bill of materials cost, and optimizes load diagnostic functions for automotive...[Details]