First, let's briefly introduce the camera OV7670 used. OV7670 is a 1/6-inch CMOS VGA image sensor produced by OV (OmniVision). The sensor is small in size and low in operating voltage, and provides al...
[font=宋体][size=4] There is less than a month left before the Spring Festival. Since 2016, I have been recording my year-end summary every year. [/size][/font][font=宋体][size=4] 2018 is a year of progre...
The MATLAB simulation model for online parameter identification of permanent magnet synchronous motor based on RLS least squares method can identify the motor resistance, inductance and permanent magn...
It seems to be the second week since I received the board. I am so ashamed that I have only started to light it up now. {:1_100:} Of course, I have to light it up first after receiving the board. I wi...
Information Theory and Coding by Dai Mingyuan from Tongji University : https://training.eeworld.com.cn/course/5217Information Theory Foundation is a professional basic course for undergraduates majori...
[align=center][/align] [size=5]Thanks to lehuijie netizen for donating two development boards to the forum mobile station: [/size] [size=5]STM32F411 Nucleo-64[/size] [size=5]SWM320VET7-50_LQFP100 mini...
Circuit principle: The integrated circuit charger, as shown in the figure, is a constant current charging circuit composed of a three-terminal voltage regulator (LM317). Since the potential differ...[Details]
Total exports exceeded US$51.2 billion, up 80.3% year-on-year - in 2022, my country's photovoltaic industry performed well in the international market. After years of intensive cultivation, the com...[Details]
Today (6), the National Development and Reform Commission released the "Implementation Plan for Promoting the Update and Upgrade of Key Consumer Goods and Facilitating Resource Recycling (2019-2020)"...[Details]
In the process of learning 51 single-chip microcomputers, we often find that interrupts, counters/timers, and serial ports are the difficulties in learning single-chip microcomputers. For beginners...[Details]
Samsung (China) Semiconductor Co., Ltd.'s import and export volume in the first quarter was 27.867 billion yuan, an increase of 45% over the same period last year. The first phase of the second phase...[Details]
Recently, the China Railway Real Estate Group Design Consulting Company went to Zhangjiawan Town, Tongzhou District, to conduct research and exchanges on the new power system experimental base for the...[Details]
【Abstract】 Based on the characteristics of EPP protocol, a shift register output interface is developed using complex programmable logic device (CPLD). The Verilog HDL description of EPP protocol a...[Details]
As one of the three largest markets for new energy vehicles in the world, the North American market has attracted the attention of the new energy vehicle charging pile industry chain due to its mar...[Details]
Redmi 9 has now been officially released in Spain, equipped with a MediaTek Helio G80 processor, 4GB LPDDR4x memory and 64GB storage, priced at 179 euros (approximately RMB 1,438.9); the 3GB+3...[Details]
In order to promote international green energy industry cooperation, build a global integrated supply chain, seize the development opportunities of the North American new energy market, and meet th...[Details]
OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
A multimeter is a magnetoelectric instrument with a rectifier that can measure a variety of electrical parameters such as AC and DC current, voltage and resistance. Some can also measure the main par...[Details]
What is OHCI The USB protocol specifies four types of transfers: interrupt transfer, control transfer, isochronous transfer, and bulk transfer. There are two types here: periodic transfer and non-p...[Details]
/** * @brief Read a certain number of bytes of data from a certain starting address of a device on the I2C1 bus into an array * @param driver_Addr: I2C device address * @param start_Addr: star...[Details]
Today, display technology is developing towards high definition, low electromagnetic radiation, low power consumption and small size. Although the production technology of CRT (cathode ray tube) disp...[Details]
Microcontroller MCU
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