I am a beginner in microcontrollers. I am learning how to use a program to make a diode of a microcontroller flash. I used the following program: #include
sbit D1=P0^0; unsigned int i; void main() { D...
I use 147 chip, use external reference 2.5V (generated by LM285-2.5) to connect to pin 10, then connect a 1.25v voltage to channel A4, and 1.4v voltage to channel A5, then I use my initialization prog...
I have built a 2812 system and want to expand USB communication. The chip I use is CYPRESS's CY7C68001. Now I find that some versions of the chip directly connect the data line to the 2812, while some...
I used to burn assembly programs very smoothly, but I have problems burning C programs.I wrote a C program, the simulation is OK, but it is not correct after burning.What is the difference between bur...
Hello everyone. I'm Yufy. There are several new job opportunities just opened, I want to post them here to see if there are any friends willing to try. Work location: Dalian Due to customer requiremen...
Can any of you please help me? I'm in trouble. I don't know what application range AL3201 can be used for. I heard that it can be used for effect processing, but I have no experience in this area. Now...
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[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]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
introduction
At present, measuring instruments are developing towards networking, and each individual embedded instrument will become a node on the Internet. This system realizes the network...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
introduction
Steam turbines are driven by high-temperature and high-pressure steam generated by boilers to run at high speed. They are key power equipment in thermal power plants. The emergenc...[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]
As the global LED market demand continues to increase, my country's LED industry will face huge opportunities in the future. However, the core LED technology and patents are basically monopolized b...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]
introduction
The core features of mobile value-added service products are mobility, immediacy and personalization. Mobile value-added services are a new service mode that is rapidly developing...[Details]