In the DSP world, due to the limitations of DSP chips, fixed-point decimal operations are often used. The so-called fixed-point decimals are actually decimal operations using integers. The following w...
Proteus8.6 simulation, the code is debugged, it can be simulated successfully on other computers, but it can't achieve the expected effect when I change it to my own computer. The computer system is W...
[size=4]I designed the DM648 image processing system myself. The codec solution is TVP5150*2 and SAA7121. The driver of the codec chip is modified based on the original DM642 supporting driver in the ...
[size=5]This device is used to measure the temperature of an incandescent lamp. When the temperature rises, the black body radiation spectrum shifts to shorter wavelengths. The filter is used to separ...
[i=s]This post was last edited by dcexpert on 2019-2-8 10:38[/i] From: [url=https://fosdem.org/2019/schedule/event/microcontrollers_python/]https://fosdem.org/2019/schedule/event/microcontrollers_pyth...
Real-time monitoring of power quality is the key to improving production efficiency, energy conservation and emission reduction, and safe production. Aiming at the power quality requirements of Donggu...
With the growth of China's digital video surveillance market at an annual rate of more than 30% in the past 3-4 years and the growth of other fields, the video processing chip market has also grown...[Details]
Today's test found that the PWM output of TIM2 is invalid. It turns out that The clock of TIM2 is wrong: RCC_APB2PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); should be changed to RCC_APB1PeriphCl...[Details]
Overview
Both mechanical and digital potentiometers have uncertain end-to-end tolerances. Maxim's digital potentiometers typically have an end-to-end resistance error of 20% to 30%. Wh...[Details]
Photovoltaic Headlines (WeChat ID: PV-2005) learned that on August 30, the State Power Investment Corporation issued the 51st batch of centralized bidding announcements for 2024, purchasing 12.5GW ...[Details]
In the middle of last year, vivo launched the first product in the NEX series - vivo NEX. More than half a year has passed, and the next generation of NEX models (let's call it vivo NEX 3 for the tim...[Details]
This article will introduce the whole process of transplanting the linux-3.4.2 kernel to the JZ2440 development board. The cross-compilation tool version used is arm-linux-gcc-4.3.2.tar.bz2 Here's ...[Details]
According to Jiwei.com news on June 30, according to the performance forecast for the first half of 2021 released by North Huachuang, the company is expected to achieve a net profit of 276 million yu...[Details]
Power
transformer anti-theft system
In December 2003, a major theft and destruction of power facilities shocked the whole province and even the whole country. The two parallel lines of ...[Details]
1. Purpose Due to project requirements, it is necessary to realize the communication between the S3C2440 serial port and the PC. Through the serial port communication examples in the experiment manua...[Details]
Lenovo Datacenter Technology Co., Ltd. (hereinafter referred to as "Lenovo Datacenter"), a leading intelligent data management solution and service provider committed to driving Chinese enterprises t...[Details]
Basic concepts of arrays:
1. Have the same data type
2. Having the same name
3. Storage in memory is continuous
Note: Distinguish the concepts of array subscript and number of a...[Details]
realme officially announced that it will release the realme GT2 series of mobile phones on January 4. The realme GT2 Pro Master Edition uses a paper-like back cover material. The official wa...[Details]
1. Hardware Connection SD_CS connects to PD2 of STM32 SD_MOSI connects to STM32's SPI2_MOSI SD_MISO connects to STM32's SPI2_MISO SD_SCK connects to STM32's SPI2_SCK The SD card holder i...[Details]
1 Introduction The research on robot voice control system has always been one of the main contents of robot research. Traditional voice control systems generally use PC as the core platform to c...[Details]
The high-speed switching action (from tens of kHz to several MHz) of the power switching devices in the switching power supply forms an EMI disturbance source. The main forms of interference in the...[Details]