I want to buy an RF evaluation board, the main function is down-conversion, the RF band can cover 2G, preferably with LNA. I have found only Maxim boards, but Maxim boards are not sold separately. I h...
[i=s]This post was last edited by justd0 on 2020-7-5 22:43[/i]Badminton Training MonitorAuthor: Justd0Project BackgroundWhen the project was first established, I saw the official information and routi...
My plan for this DIY is as follows: 1. The elevator's lifting and lowering is controlled by a motor through PWM, and the opening and closing of the car door is also realized by a motor controlled by P...
It seems that there are many materials that talk about this connection method~ Anyway, just remember how to connect itThe overall connection diagram, the digital tube display return value program and ...
Today, I saw a [url=https://bbs.eeworld.com.cn/thread-457958-1-1.html]leave request post[/url] on the forum, and found that many netizens in our forum are going to become fathers! Congratulations~ Spr...
Requirements: Input, 14 to 22V Output, 5V/0.5A 3.3V/0.5A, Design steps: The first step is parameter setting, adding one output, modifying the power supply voltage and currentThe second step is to subm...
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]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
Since the No. 4 blast furnace of Handan Iron and Steel was put into operation in 1993, its external equipment has been seriously aged, and the original PLC control system TDC3000 of the hot blast furn...[Details]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[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]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
System Overview
The system consists of a signal preprocessing circuit, a single-chip computer AT89C2051, a systematic LED display module, a serial port data storage circuit and system software...[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]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
One in five car failures are caused by batteries, a problem that will become more serious in the coming years as electric-by-wire, start/stop engine management and hybrid (electric/gas) vehicles be...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
1 Battery technology determines the fate of energy vehicles
Regardless of whether new energy vehicles are hybrid or pure electric vehicles, they cannot do without the core technology of batter...[Details]
DCDC means DC to DC (conversion of different DC power values). Anything that meets this definition can be called a DCDC converter. Specifically, it means converting the input DC into AC through a s...[Details]