Compile and link the generated files in CCS4.1 environment. See the attachment for the source code and project files.Give the ultrasonic module's Trig pin a high level of 10 us , use PIE interrupt to ...
I want to make a power indicator light circuit, but I find that what I made doesn't work. Conditions: power supply voltage +5V, red LED, NOR gate. Requirements: When the power supply is sufficient, th...
I am now working on a program for switching between headphones and speakers. The operating system is Linux, and the CPU is an ARM9-based chip produced by our company. The detection of headphone insert...
I am looking at Linux device drivers and find that I can't understand them. I don't know what knowledge I should have. Can an expert give me some advice on what books I should read to write drivers?...
Good evening, everyone. I have a question for you. In a power circuit that uses a bidirectional thyristor to control the on and off of the power supply of the furnace wire, why does the thyristor burn...
Friends who work in the photovoltaic industry, do you still remember the hard work on June 30 last year? How many people worked late into the night for months in a row just to connect to the grid a...[Details]
At present, the Beidou system has achieved industrial breakthroughs and leapfrog development in five major areas, including the automotive OEM market, smart phones, and high-precision applications....[Details]
When Amazon quietly launched a product called Elastic Computing Cloud 12 years ago, the Internet industry in China, across the ocean, also ushered in an unprecedented development opportunity. Let's...[Details]
Use the STM32 timer input capture module to control 3-way ultrasonic sensors. The ultrasonic sensor used this time is the common HC-SR04, which is often used in the obstacle avoidance system of smal...[Details]
The STM8L contains a 12-bit ADC with 25 input channels, including an internal temperature sensor, an internal reference voltage As can be seen from the figure above, there is an internal re...[Details]
1. What is PWM What is PWM? Professionally speaking, it is pulse width modulation. In layman's terms, it is the continuous output of high and low levels. For example, the microcontroller outputs...[Details]
Design a second and minute pulse generator for a single-chip microcomputer using the interrupt method. Assume that P1.0 generates a positive pulse of one machine cycle per second, and P1.1 generates ...[Details]
Circuit: Using AT89S52 single chip microcomputer. P3.0 to P3.3 are connected to four external buttons. P3.4 to P3.7 are the bit selection ports for controlling the four digital tubes, and P1 is the s...[Details]
:For medium and large-scale domestic photovoltaic power stations, inverters generally go through an open bidding process. Due to the high technical content of power station design, it is necessary ...[Details]
About a dozen years ago,
AMD
was also a rival to Intel. It can be said that the two microprocessor manufacturers have been in love and hate for many years, which is completely a commercial ...[Details]
With the development of human society, people's travel needs are increasing, the number of cars is also increasing, the resulting air pollution problem is becoming more and more serious, and the sa...[Details]
Shanghai, China, January 26, 2018 - In the era of entertainment, 4K high-definition entertainment content is highly sought after. More and more people are willing to watch travel images, children's c...[Details]