[i=s]This post was last edited by paulhyde on 2014-9-15 03:00[/i] National Undergraduate Electronic Design Competition Training Tutorial (Full) You have to read it, grab it quickly!...
I am writing an application in Windows CE 5.0 and using SQL Server 2005 CE. However, the amount of data I need is quite large and the speed requirement is also quite high. For simple insertion, I can ...
I have a question about S3C2440 SPI receiving. The program code is as follows. I can capture the correct waveforms of MISO and MOSI through an oscilloscope, indicating that the data transmission and r...
I tried to draw the board myself. The ceramic antenna I used was RFANT3216120A5T, and I drew it according to the data sheet. First, the balun outputted a 50Ω impedance, and then the antenna. But the r...
Hi everyone, I would like to ask you something:I have a Mitsubishi FR E740 inverter, which is used on a conveyor belt. A proximity switch is used to control the start and stop of the motor. The proxim...
EMC testing includes two aspects: testing the electromagnetic disturbance intensity sent to the outside world and testing its sensitivity under the electromagnetic environment conditions with specifie...
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
Aromatic gases are widely present in food, medicine, cosmetics and various daily chemical products, such as snacks, liquor, spices, Chinese herbal medicines, plasters, perfumes, soaps, shampoos, et...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
With the rapid development of intelligent control technology, computers and information technology, the trend of information appliances IA (Information Application), computers and communications integ...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Abstract: Aiming at the needs of coal-rock acoustic emission signal monitoring system, a data acquisition circuit with 24-bit resolution and 16-channel synchronous data acquisition function is desi...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
Temperature compensated quartz crystal oscillator (TCXO) is widely used as a high-precision frequency source in communication systems, radar navigation systems, precision measurement and control sy...[Details]