Please help, we bought a batch of 17+ year products. After testing, QC said that the pins were seriously leaking copper and could not be used, so we asked for a return. The supplier said that this was...
[Ask if you don't understand] Use the 89C52 single-chip computer to make an LED light flashing effect, turning on for one second and off for one second. Now I'm stuck on assigning initial values to ti...
I started playing with digital electronics and felt that the power supply was not easy to use. I found LM317 and made a power supply module. It is simple and easy to make. If you are interested, you c...
[i=s]This post was last edited by cruelfox on 2020-4-30 00:46[/i] I have been playing with the Cortex-A7 core of the STM32MP157A because it is new to me. In addition to the two A7 cores, this chip is...
The multimeter is the most commonly used tool in electrician's work. The multimeter can measure voltage, current, resistance, and continuity. Of course, it is also very simple to determine the neutra...[Details]
Today's competitive environment requires
mold
manufacturers to be more than just moldmakers. They also need to be versatile when faced with many questions from users. For example, when us...[Details]
According to foreign media reports, Renault Group and Envision Power, a power battery company under Envision Technology Group, have officially reached a cooperation agreement. Envision Power will bui...[Details]
In today's electronic systems, negative power supplies are disappearing and positive power supply voltages are decreasing. This trend has made rail-to-rail amplifiers increasingly popular. Although...[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]
Taiwan's wafer foundry industry is the world's leading company, with TSMC firmly holding the title of the world's leading silicon wafer foundry, and the gallium arsenide foundry industry for microwav...[Details]
The amplifier is composed of VU, VT5, VT6 and VT7, among which the input impedance of VU is very high, which can match the high impedance signal source in the low conductivity measurement range. The...[Details]
It is reported that Wang Chuanfu has resigned as the legal representative and chairman of BYD Auto Co., Ltd., and his successor is He Zhiqi, who will also serve as general manager. BYD said that it...[Details]
Query method: Send data - send first and query later; Receiving data - check first and then receive. Interrupt mode: send data - send, wait for interrupt, send during interrupt; Receive data - wait f...[Details]
On July 17, SinoWise held an investor relations event, where it introduced the company's situation in the first half of this year: the company continued to expand its market share in the fields of ho...[Details]
当前,新型快速开关的碳化硅(SiC)功率晶体管主要以分立器件或裸芯片的形式被广泛供应,SiC 器件的一系列特性,如高阻断电压、低导通电阻、高开关速度和耐高温性能,使系统工程师能够在电机驱动控制器和电池充电器的尺寸、重量控制和效率提升等方面取得显著进展,同时推动 SiC 器件的价格持续下降。然而,在大功率应用中采用 SiC 还存在一些重要的制约因素,包括经过良好优化的功率模块的可获得性,还有设计高...[Details]
I would like to share with you a 51 single-chip microcomputer to make a granary temperature and humidity control system. The following is the schematic diagram based on the dht11 sensor. The microco...[Details]
1. Install lightning protection devices on the display screen and buildings. The display screen body and shell should be well grounded, with a grounding resistance of less than 3 ohms, so that the ...[Details]
The plan mentions that efforts will be made to achieve grid parity for onshore wind power generation and grid parity for photovoltaic users by 2020.
Recently, the People's Government of Ga...[Details]