Yesterday, my dad bought a flashlight and had a lot of fun playing with it: 7 LED lights, two-position switch, one position can turn on four lights, and the other position can turn on seven lights. My...
I am developing a driver-based software that implements multiple functions. Based on various considerations (memory usage, easy scalability, etc.), I hope to encapsulate each function in a module (sys...
[i=s]This post was last edited by btty038 on 2021-6-8 22:04[/i]Wireless communications don’t provide ubiquitous coverage. We’ve all been there: calls get disconnected, web pages sometimes take a long ...
1. Does the reference power supply mean setting a voltage upper limit? For example, if the internal reference power supply is 3V, then when adin inputs 3V, 4095 is obtained. 2. There are three externa...
I would like to ask you guys, after the MCU sends a reset command through SPI and then sends a read command, the data read is always 0? I have been working on it for a while, but it still doesn't work...
[i=s] This post was last edited by liujj05 on 2015-3-20 14:09 [/i] I saw on the Internet that the difference between 5438 and A is mainly that it is more stable and has an AD ref. But if I want to dir...
At present, the development of wireless power supply technology for electric vehicles (EVs) is becoming more and more active. In 2012, Volvo of Sweden established Volvo Technology Japan in Tokyo as...[Details]
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
Automotive applications are particularly sensitive to EMI events, which are unavoidable in a noisy electrical environment consisting of a central battery, bundled wiring harnesses, various inductiv...[Details]
In order to highlight the concept of "energy saving and environmental protection" of intelligent buildings, solar street lights are designed for intelligent communities. The inclination and capacit...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
Power management solutions for today's portable application processors are becoming increasingly integrated. Total power consumption, standby and sleep current consumption affect battery size, bill...[Details]
introduction
The emergence of high-performance, low-power embedded CPUs and high-reliability network operating systems has made it possible to implement applications with large amounts of comp...[Details]
Although it is relatively easy to check the stability of a simple amplifier at lower frequencies, it may be much more difficult to evaluate the stability of a more complex circuit. This artic...[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]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
1 Introduction
Water resources are the basic conditions for human survival and the lifeline of economic development. The reality shows that due to the global shortage of water resources and th...[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]
With concerns about the growing energy crisis, motor efficiency has become an important and timely topic. This is because motors use 63% to 70% of the electricity produced in the United States and ...[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]
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