The MCS-51 microcontroller has a full-duplex serial communication port inside, namely the serial receive and transmit buffer (SBUF). These two physically independent receivers and transmitters can bot...
Why do I still get an error message despite clearly defining it? Code: void readsensor(void)//Read sensor { SEN_EN=1; XC_EN=0; ADDR_EN=1; unsigned int h; for(h=0;h2) { sen_count=0; sen_flag=1; } } Tip...
I don't know if anyone has encountered a similar problem. I simulated it on proteus for a long time and finally got some clues. I'd like to share it with you. It seems that it can be calculated, but I...
I'm looking for a complete list of WINCE5.0 APIs, or better yet, detailed information on them. I'm currently working on MODEM communications, so if you have instructions on how to use the APIs, please...
Really, I don't know electronics but I like to tinker with it. Recently, I suddenly had an idea to make an infrared temperature detection device by myself to monitor the temperature of the skin in rea...
Step 1 Install Qt Creator on the virtual machine (CentOS7) Copy qt-creator-opensource-linux-x86_64-3.5.1.run to the virtual machine, double-click to install, and click Next for all. b Step 2 Qt Create...
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[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]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[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]
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]
At very low temperatures, certain metals and alloys lose their resistance to electric
current
and become
superconductors
. Two parameters that are often measured are the transition ...[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]
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]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[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]
The future energy storage hotspot is not coal or iron ore, but lithium. This lightest metal in nature may be the heaviest resource in the future energy landscape. China launched an ambitious electr...[Details]