How do you check if the DIODE is mounted upside down during actual patch inspection? How do you check? Also, does the inductor have a positive and a negative side?...
First of all, I wish all my friends a happy new year!!Let's get down to business: In the past few days, I made another 3-inch common anode digital display board. I use P1 port to drive uln2803 as the ...
Hello, moderator. I am using ST72324, STVD4.1.1, COSMIC compiler. When compiling the program, I found that the data in the bss segment was not initialized to 0, but only the zero page was initialized....
[align=left][url=https://bbs.eeworld.com.cn/huodong/eeworld_10_year/][size=3][color=#8b0000][b]Grateful to be with you for ten years. A summary of the best popular technical content on the tenth anniv...
Hello everyone! I used an eZ430-RF2500 kit, in which the microprocessor is MSP430F2274 and the RF is chipcon2500. When MSP430 enters the low-power state LPM3 or LMP4, CC2500 is put to sleep, the volta...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
introduction
Belt drive is a common transmission device used in industrial production. Its commonly used speed detection device is a photoelectric encoder installed at the rotating end of th...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
The NCL30051 from On Semi is a peak current controlled fixed off time buck controller designed for LED driver applications. It has adjustable off time, 250mA source/500mA sink peak drive capability, ±...[Details]
Background
The proliferation of ultra-low-power wireless sensor nodes for measurement and control purposes, combined with new energy harvesting techniques, has made it possible to create ful...[Details]
In recent years, information technology based on microelectronics and computer technology has developed rapidly, and ultrasonic non-destructive testing instruments have also gained unpreceden...[Details]
Today, drivers and passengers expect to enjoy the same technological comforts on the road as they do at home. Consumer demand for traditional in-car infotainment systems, such as CD players, is giv...[Details]
1. Architecture and operation of electronic toll collection system
The basic principle of the electronic toll collection system is to enable a special device (on-board unit) installed on t...[Details]
1. Introduction
The novel bidirectional high-frequency link inverter has the advantages of bidirectional power flow, high-frequency electrical isolation, simple topology, and two-stage po...[Details]