[b]Technical description[/b][color=#000][font=Arial][/font][/color] [color=#000][font=Arial][size=18px]As shown in the figure. . . Before using the timer, we should first know what we will use this ti...
The situation is like this, I use pa0 to send a square wave signal with a period of 100us, and use pa1 to receive it, with a 39k resistor connected in the middle. Why is the low level of the signal de...
In this design software, after selecting LED ARCHITECT, you can enter the lumen brightness design interface. According to my design requirements, I set the initial input voltage to 12V between 10-14V ...
How to control LCD with MCU? I am using MSP430f149 MCU, and now I need to code on this board to control the LCD to display something. Can you give me some ideas on how to do it? I don't know where to ...
As the title says, the digital electronics experiment requires making a simple digital clock. After 555 oscillation, the frequency of 1khz is obtained. After 74ls90 division, three 90 strings divide i...
The rapid development of the Internet has realized high-speed information transmission and resource sharing, greatly facilitating people's lives. Embedded systems are widely used in various electr...[Details]
introduction
Solar cells and LED lighting are typical applications of new energy and energy-saving and efficient technologies. Solar LED lighting uses solar cells to convert solar energy...[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]
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]
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]
1. Tips for charging UPS for the first time
After purchasing a new UPS, plug the UPS into the 220V mains power grid and charge it for at least 12 hours to ensure that the battery is fully char...[Details]
In some motion control systems with simple control or low cost requirements, stepper motors are often used as actuators. The biggest advantage of stepper motors in such applications is that they ca...[Details]
During the global semiconductor industry recession, the automotive electronics market has performed strongly, especially the application of car remote control systems has become more and more wides...[Details]
The rapid development of the automobile industry has promoted the progress of global machinery, energy and other industries, as well as the development of economy, transportation and other aspects,...[Details]
1 Features
1.1 Single cell operating voltage up to 3.7V
It is three times that of nickel-cadmium batteries and nickel-metal hydride batteries, and nearly twice that of lead-acid batteries...[Details]
Li/SOCl2 batteries (lithium sub-cells) have the advantages of high operating voltage, stable discharge voltage, wide operating temperature range and long storage life, and have been widely used in ...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Modern communication equipment, portable electronic products, laptops, electric vehicles, small satellites, etc. generally use batteries as power sources and are widely used. However, the batteries...[Details]