Materials needed: solar motor, good brothers, 6 screws, wires, iron sheets (with holes, 2 pieces), rechargeable batteries, and fans.1. Parallel connection, solar panels, each panel has a positive pole...
At present, the existing manual meter reading methods are far from meeting the needs of modern management, and the resulting increase in line loss rate will inevitably affect the development of the po...
Shenzhen Huawei Technologies Co., Ltd. Research Management Department Document Center FPGA Design Advanced Techniques (Xilinx Edition) Prepared by: Zhou Zhijian China Research Foundation Date 2001/09/...
I am currently designing multi-master communication based on RS485 bus. I already know how to complete the physical layer, but I need to avoid RS485 bus communication conflicts at the link layer. I fi...
[align=left][font="]This is a photo of Fujitsu Semiconductor's virtual car dashboard at a seminar last week. It looks really high-end. Is this the trend of future car instruments? Are those who make m...
This article describes some of the test methods that need to be considered to accurately measure the radiation sensitivity of modern high-security, high-speed semiconductor memories in time to prevent...
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]
In early 2002, I started to write a working program for an IC card prepaid electricity meter. The meter used Philips' 8-bit 51-expanded single-chip microcomputer
87LPC764
, and wa...[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]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[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]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
1 Overview
In the field of traditional lighting, the concepts and definitions of lamps and lamps are clear. Lamps and lamps have their own applicable product standards, supporting technical st...[Details]
When developing electronic products with processors, how to improve anti-interference ability and electromagnetic compatibility?
1. The following systems should pay special attention to anti-...[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]