[Event Introduction]The 2019 College Student Electronic Design Competition is about to begin. Netizens who are preparing to participate this year are probably already in preparation.For the first time...
Polarized capacitors and non-polarized capacitors are similar in principle, both store and release charges; the voltage on the plates (here the electromotive force of accumulated charges is called vol...
Source: Lei Technology
Although the Internet is not a lawless place, as a virtual world, people with strong hacking skills can always establish bases outside the law on the Internet. You may think tha...
The resistor between the input and output pins of the crystal oscillator circuit in the figure is as large as 1 megohm. What is its function? If it is used for feedback, does the feedback resistor nee...
[size=4]I checked the official cases of DM8148, and there are cases of DM8148 using DSP and OpenCV for face recognition. May I ask, 1. Can I use openCV to identify vehicles? What is the accuracy and r...
With the development of society, cars are more and more closely related to people's lives, but the DC voltage used in cars is generally 12V, which cannot be directly used by portable electronic dev...[Details]
At 10 am on October 10, Lanjun New Energy Technology Co., Ltd. and Kaile Environmental Technology (Shanghai) Co., Ltd. formally signed a strategic cooperation agreement at Kaile Technology Industri...[Details]
According to The Elec, Huawei will set up a cloud computing and artificial intelligence business group in South Korea this year to enter the GPU server market currently dominated by Nvidia. Industry ...[Details]
The STM32 FSMC supports two NAND flash blocks, supports hardware ECC and can detect up to 8K bytes of data Its address mapping is shown in the figure below Figure 161 FSMC storage block NAND an...[Details]
【HC-SR04】 HC-HR04 ultrasonic distance measurement can provide non-contact distance sensing function of 2cm-400cm, and the ranging accuracy can reach 3mm. Basic working principle 1. Use IO port TRIG...[Details]
1 Overview
The automatic meter reading system is an automated management system that can complete the recording of user meter data without the need for human presence on site. ZigBee technology...[Details]
This year, there were some surprises. I had to study the HT66F50. The PDF has already explained its powerful functions, so I won’t go into details here. (Personally, I think it’s a pity that the chip ...[Details]
It is obvious that Hyundai is ready to change lanes and overtake. On August 25, Beijing time, Hyundai Motor built the country's first hydrogen vision hall - Hyundai Hydrogen World, in Century Square...[Details]
1 Introduction to Cortex-M3/4 Fault The Fault exception of Cortex-M3/4 is caused by illegal memory access (such as accessing address 0, writing to read-only storage location, etc.) and illega...[Details]
1. Why should we care about the quality of power supply?
In the "single-phase" power supply environment in the office and at home, we always hope that there will be a continuous 220V power supply t...[Details]
On April 16, the world's most influential American ESA Energy Storage Summit and Exhibition was grandly held in Phoenix, Arizona. Sungrow launched a new power station-level photovoltaic and energy ...[Details]
The signal source of traditional frequency sweepers mostly uses an oscillator composed of LC circuits, and a large number of discrete components are used to realize various functions. The display p...[Details]
Because capacitive technology is affected by environmental noise and other factors, the system may not respond to finger touches or produce false touches. If developers do not debug the sensor well...[Details]
ON Semiconductor launches new Hyperlux image sensor series to lead the development of next-generation advanced driver assistance systems (ADAS) to improve driving safety Industry-leading 150 dB u...[Details]
Learning ARM assembly is very necessary. Learning ARM assembly is not to write programs in assembly in the future, but to understand and modify it. Because in the later projects related to the kern...[Details]