I recently wanted to make a product with a 4.3-inch LCD human-machine interface. I investigated three products, STM32F429, LPC1788, and NUC977. But none of them was very ideal.
After STM32F429 enables...
How does the LM393 in this circuit work? R-Light is a photodiode. Light is an LED light and VCC is 6V.LM393 is a voltage comparator. It converts the resistance change of the photodiode connected to th...
The information used in this chapter has been put into the development board network disk, the path is: "11_Linux system development advanced\77_Chapter_Network communication-Socket TCP usage informat...
I am currently making a Bluetooth module for offline input of an amplifier. After searching for a long time, I found that Jerry's chip is good, so I used AC6901A. But here comes the problem; the chip ...
July 29 news Not every Exynos 990 chipset is the same. According to the latest information from Twitter whistleblower @TheGalox, the Exynos 990 chip that will be used in the upcoming Samsung G...[Details]
1 Overview In modern society, "lazy technology" is popular. When faced with many cumbersome key operations and menu selections, simply speaking the command is the most humane human-computer interface...[Details]
Most oscilloscopes have an FFT function, also called Fast Fourier Transform, but many people do not understand what this function is used for. After searching on Baidu, they will encounter various ad...[Details]
introduction As the market demands for improved performance of information technology and communication equipment, today's system designers are faced with the challenge of having to design EMI c...[Details]
VMOS field effect tube detection method (1). Determine the gate G. Set the multimeter to R×1k and measure the resistance between the three pins. If the resistance of a pin and its two pins is infin...[Details]
It is predicted that by 2010, processors will operate at 1V and 100A current, and by 2020, processor power supply voltage is expected to be 0.7V and higher current. Efficient power management of proce...[Details]
BlackBerry recently announced the launch of BlackBerry Lab, a new department dedicated to cutting-edge research and development in the field of cybersecurity. Led by Chief Technology Officer Charles ...[Details]
1. Introduction As we all know, telecom power supplies are required to operate over a wide input voltage range (36V to 77V), with the best circuit performance at 48V input. However, this circuit d...[Details]
In most people's view, excellent speakers are those that can be combined together to form a high-quality multi-channel music system or home theater. Some consumers have spent a lot of money on other v...[Details]
1. Introduction The design of smart meters, due to the introduction of microcontrollers, has put forward higher requirements for designers. This is because the interference introduced by the power s...[Details]
With the advancement of the dual carbon goals, electric vehicle on-board chargers (hereinafter referred to as "OBCs") are developing in the direction of bidirectional energy transmission, which can...[Details]
The new traffic rules on yellow lights have caused many drivers to suffer from rear-end fear. Even when the traffic light is green, they are ready to brake, fearing that the car in front will brake...[Details]
There is a good article about the principle of CRC algorithm and its implementation in C language , but I dare not keep it to myself!
CRC algorithm principle and C language implementation (3...[Details]
DxO launches 1693 new optical modules to provide unparalleled correction for Canon EOS R6 Mark II, Fujifilm X-T5, Sony A7R V and some Sigma lenses DxO's optical module provides unparalleled correct...[Details]
BOE exclusively supplies Nubia and Red Magic flagship new products with a new generation of under-screen display technology, leading the industry into the era of true full-screen
O...[Details]
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