[i=s]This post was last edited by dontium on 2015-1-23 11:23[/i] [align=left]The chapter on noise measurement introduction reading notebook mainly explains the instrument measurement of noise. Commonl...
I made the loader according to the diagram and used InsidePro to burn MSP430F1611. Everything went well. But when burning MSP430FR5739, it always reported a synchronization error. Could someone please...
mpy-miniterm is a small tool that can connect to MicroPython devices through the serial port and synchronize files using REPL. [url]https://github.com/jeffmakes/mpy-miniterm[/url] After downloading, e...
[size=3]After lunch, on the way to the company, I met a few girls standing on the roadside handing out posters. I personally have no interest in handing out promotional posters on the roadside, but I ...
[i=s]This post was last edited by paulhyde on 2014-9-15 09:42[/i] Rated power 50W, 3 winding ratio n1:n2:n3=20:10:1, currents are I1=1.5A, I2=3A, I3=0.1A respectively, why is the last one 0.1A?...
Abstract: Based on the introduction of Flyback flyback DC/DC power supply and its performance, this paper mainly discusses the grid-side harmonics and its suppression, switch buffer circuit, optocoupl...
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
From the PIC16F946 datasheet, we know that there are two ways to write values to the LCD for display:
1. Directly write the value to LCDDATA1~LCDDATA23
2. Use disconnect t...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[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]
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]
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]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
With the rapid development of wireless
digital communication
, more challenges have been raised for integrated circuit design and testing. In the product design stage, in order to ensure
t...[Details]
The DisplayPort interface standard is approved by the Video Electronics Standards Association (VESA) to provide an open, scalable standard for the entire industry. The development of DisplayPort ca...[Details]
The launch of Shenzhou IX is imminent, and Tiangong is welcoming visitors again. Yesterday, Professor Fu Qiang, Vice President of the Institute of Science and Industrial Technology of Harbin Instit...[Details]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]