I am planning to buy a multimeter. Most of the use scenarios require testing voltages of 600-900V (occasionally overvoltages of 1000+), so I have been using Fluke's 15B+. The meters in the company are...
Digital Integrated Circuit Analysis and Design : https://training.eeworld.com.cn/course/6150Integrated circuits (ICs) are already ubiquitous, and most of them are digital ICs. This course allows you t...
High-pass filters can be implemented by passive RC and active KRC circuits. The cutoff frequency is 0.1Hz. Figure 1 is a passive RC circuit with a design follower connected to it. Figure 2 is a high-p...
When using the Flashof BlueNRG-1/2 to store application data, you may encounter problems such as no Bluetooth signal or freezing.
Because the interrupt will be turned off for about 20 ms during the er...
The requirements of the installation pipeline and the length of the straight pipe section of the split electromagnetic flowmeter. The ideal pipeline configuration should keep the calibration coeffici...[Details]
With the increasing demand for night vision monitoring in security video surveillance system projects, infrared cameras with LED light sources have entered the mainstream camera market, and sales are...[Details]
Recently, the first functional safety MCU of Jiefa Technology under NavInfo, AC7840x, was returned ahead of schedule and successfully started up. The arrival of AC7840x will comprehensively improve t...[Details]
Host environment: Windows 7 SP1 Development environment: MDK5.14 Target board: STM32F103C8T6 Development library: STM32F1Cube library and STM32_USB_Device_Library Following the previous artic...[Details]
As shown in the circuit diagram. After AC220V mains voltage is stepped down, rectified and filtered, 12V DC voltage is obtained, and then Sv DC voltage is obtained through voltage stabilization, whic...[Details]
Recent developments in very large-scale integration technology have broadened the scope of digital control applications, especially in power electronics . Digital control ICs offer many advantages,...[Details]
This project is a pipe bending machine equipment renovation project. Without destroying the original functions of the equipment, only the original FATEK PLC of the equipment is replaced, so that th...[Details]
Dust Tester Dust testers are mainly used for rapid determination of the concentration of inhalable particulate matter (PM10) in public places, detection of dust concentration in labor hygiene at ...[Details]
The transformer whistles mainly because the transformer's excitation component contains low-frequency oscillations, which causes the magnetic molecules of the magnetic core to move in this low-f...[Details]
Apple said the "Shot on iPhone" macro photography competition proved that when users hold Apple products in their hands, "the true potential of the products is fully revealed." Recently, Apple anno...[Details]
According to a report by the Economic Times of India on January 18, stimulated by India's production-linked incentive (PLI) program, Apple and Samsung produced smartphones worth more than US$5 billio...[Details]
Chipmaker Qualcomm is lobbying the U.S. government to lift restrictions on selling components to Huawei Technologies Co. Ltd. after the Chinese company was added to the U.S. trade control "Enti...[Details]
Recently, a new report stated that iPhone sales remained stable, with only a slight decline in sales as the global epidemic continues. According to a research report by market research firm Gart...[Details]
1. Introduction
With the development of online video platforms, users' demand for 4K high-definition quality is growing. However, many users have found that even if they have purchased m...[Details]
Analog electronics
京公网安备 11010802033920号
EEWORLD
