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...
Live broadcast collection
Start your journey from embedded to cloud with dedicated IoT hardware and software solutionsLive playback:Click to watchLive QA:
Text QA section:1. Does the microcontroller i...
In the process of long-term use of 51 single-chip microcomputers, we found that when the single-chip microcomputer works in an environment with strong interference such as industrial production sites...[Details]
Fuel cell vehicles are a type of electric vehicle . The electricity generated by the fuel cell is used to power the motor through the inverter, controller and other devices, and then the wheels are d...[Details]
e-STORAGE, a subsidiary of Canadian Solar Inc., announced the launch of its latest large-scale energy storage system SolBank 3.0.
SolBank 3.0 has a capacity of up to 5 MWh and a power of u...[Details]
Nowadays, electromagnetic flowmeters have been widely used, but in order to make better use of them, we cannot ignore their detection. The following article will talk about several special tests about...[Details]
What is a frequency divider circuit?
The role of the crossover: In a speaker system, people call the cabinet, crossover circuit, and speaker unit the three major parts of the speaker...[Details]
In November 2004, the Bluetooth SIG revised the 2.0+ Enhanced Data Rate (EDR) specification, combining a revolutionary technology to create a more efficient wireless link and data packet transmission ...[Details]
Day 1 - ARM working mode
1. ARM system CPU working state: ARM state and Thumb state
ARM state: the processor executes 32-bit word-aligned ARM instructions;
Thumb state: The processor executes...[Details]
Traditional ECG monitors usually require a portable recorder in a pocket near the patient's neck or wrist, while wireless ECG monitors have greatly reduced noise and interference, and are small en...[Details]
1. Introduction
The thyristor trigger based on the single-chip microcomputer is undoubtedly a popular trigger device now. It has many advantages, such as small temperature drift, high reliabili...[Details]
After many days of debugging and optimizing the program, I used only two IO ports to drive 74LS164 and expanded it into a parallel port to drive LCD1602 (four-wire mode). This is a complete and simple...[Details]
As shown in the figure, this is a fast online test circuit for diodes and transistors based on 556. The tester consists of a multivibrator and a monostable trigger, light-emitting diodes LED1 ...[Details]
According to the Nihon Keizai Shimbun report, Japan’s Ministry of Economy, Trade and Industry announced yesterday (May 23) an amendment to the Foreign Exchange Law, adding 23 categories such as advan...[Details]
Flyback converters have been widely used in isolated DC/DC applications for many years, however, they are not necessarily the first choice of designers. Power supply designers choose flyback converter...[Details]
On August 3, Cruise, a robotaxi company owned by General Motors, said it had signed the first union agreement in the driverless car industry. This is an important milestone. Cruise's decision to work...[Details]
According to a paper published in Nature magazine on the 23rd, teams from the Jackson Laboratory, the Broad Institute of MIT and Harvard, and Yale University used artificial intelligence (AI) techn...[Details]