okhxyyo seems to like to post brain teasers. Now I will post one for okhxyyo: 0 0 0 0 = 24. There are four zeros on the left side of the equal sign and the number 24 on the right. Add an operation sym...
As shown in Figure 1, this circuit highlights the ease of interfacing the ADF4350 wideband frequency synthesizer with integrated VCO to the ADL5380 and ADL5387 wideband I/Q demodulators. In this circu...
Almost every electronic engineer uses "bucket" capacitors when designing electronic products. In fact, the problem of "bucket" capacitors bulging and bursting is also a headache. Especially in the swi...
GPS satellite positioning module is an essential device for developing GPS related products. Webmasters are gradually becoming familiar with this type of device in the process of developing GPS produc...
How to design the most suitable FPC circuit board? Regarding this point, we can mainly distinguish it by whether it is manually wired or not. Method 1: Non-manual wiring Since it is non-manual wiring,...
The SD card driver under WinCE is divided into three layers. How do these three layers interact with each other? ? Host controll driver and bus driver and client driver. If I write a driver myself, wh...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
This program is written to simulate the serial port hardware mechanism. When used, a timed interrupt can be set with a time interval of 1/4 baud rate. The receiving function is called once for ea...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[Details]
DSP (digital signal processor) is used more and more frequently in today's engineering applications. There are three main reasons for this: first, it has powerful computing power and is capable of ...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Today, with energy becoming increasingly scarce, the utilization of natural energy has become the focus of people's attention. Among various natural energies, the endless solar energy is highly fav...[Details]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]