I am using two 90A Wuxi Tianhao solid-state relays, but the actual long-term current is only 34A. I am using a 90*90*90 heat sink without air cooling. After one month of use, the solid-state relays br...
Friends who study bus testing, the opportunity in Hangzhou is here. There is only one reason why this position requires English, that is, there are arrangements for overseas training! ! ! What are you...
I am currently working on a program that uses an MCU to control a tuner via I2C. However, after the address bit is written, the tuner does not respond. The MCU I use is ATMega128 (103 compatibility mo...
On December 6, 2012, my lovely little daughter was finally born. Her nickname is Chong Chong and her full name is Hua Mo Xuan. Does it sound nice? I won’t say much. Let me show you some cute photos of...
1997 1. MBAs (Master of Business Administration) became a hot commodity. They were highly sought after by Chinese companies. Studying for an MBA abroad became fashionable. Various MBA books appeared...
To solve the problem that the network segment of the virtual machine's Linux system is different from that of the computer host, the virtual machine's network adapter was configured in NAT mode before...
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. Overview
The Virtual CAN Interface (VCI) function library is an application program interface specifically provided for the use of ZLGCAN devices on PCs. The functions in the library ar...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
1. Project Introduction
Shandong Dezhou Xingtai Paper Co., Ltd. is a newly built high-end paperboard production enterprise with domestic leading level established by Shandong Zhaodongfang Pape...[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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[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]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[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 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]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]