There is already a thread about serial port evaluation: https://en.eeworld.com/bbs/thread-1146793-1-1.html But the author should have used an independent USB-to-serial port module, and only tested "th...
This was removed from a device that detects whether transparent glass bottles have defects. The red one is an LED light, which will shine light into the glass bottle, and then the probe can detect the...
I found that I basically didn't finish reading a book in 2021. I plan to read a few books in 2022. However, I have been reading e-books. However, I feel that e-books have some disadvantages. Sometimes...
The problem is this: I use a microcontroller to control the shutdown of the MOS tube to control the motor. The power supply voltage is 4V, but every time the motor starts, the microcontroller crashes....
1. Interruption
① Polling method and interrupt method
Polling method: The CPU actively queries the peripherals, the peripherals are in a passive position, the execution efficiency is low, and the wa...
With the development of science and technology, I believe everyone is familiar with electronic devices. The core of electronic devices is the circuit board, which is composed of a large number of var...[Details]
Abstract: Various radar signal generation methods based on FPGA are introduced. The method of realizing direct digital synthesizer (DDS) in FPGA and improving the quality of output signal is introd...[Details]
In the process of regulating valve selection, due to the limitation of economic and space factors, it is impossible for users to test all regulating valves. Moreover, after users select the regulat...[Details]
Memory access instructions
SWP
Register and memory exchange instructions. Use SWP to implement semaphore operations.
The actual column code is as follows:
SWP R1,R1, ; Take out the data in addr...[Details]
On the day of February 22, the National Development and Reform Commission issued the "Notice on Phased Reduction of Non-residential Gas Costs to Support Enterprises' Resumption of Work and Producti...[Details]
Coating side fingerprint chip becomes the mainstream application solution for mobile phones (November 11, 2021, Shenzhen, China) Recently, vivo, one of the four major domestic mobile phone manufact...[Details]
Data released recently by the Ministry of Industry and Information Technology show that in 2021, facing the complex and changing economic situation both internally and externally and the pressure fro...[Details]
Jiwei.com reported on July 12 that Rockchip issued an announcement stating that within 6 months after 15 trading days from the date of disclosure of this announcement (excluding the announcement date...[Details]
The use of UAVs is becoming more and more extensive, and their functions are becoming more and more complete. Their flight control systems are becoming more and more complex, and there are more an...[Details]
Preface
With the continuous development of the automobile industry, today's cars are gradually turning from mechanical to electronic. As cars become smarter, the number of chips required is na...[Details]
The new Tongluo plant of Taiwan's wafer foundry Powerchip held a beam-raising ceremony today (8). It is expected to complete the construction of the clean room by the end of the year and start equipm...[Details]
New energy sources are a hot research field at present, and supercapacitors, as a new type of energy storage device between capacitors and batteries, have the characteristics of fast charging and di...[Details]
The digital multimeter can be used to measure DC and AC voltage, DC and AC current, resistance, capacitance, frequency, battery, diode, etc. The whole circuit design is based on large-scale integrate...[Details]
Recently, Pat Ruelke, chief engineer of IT manufacturing solutions engineering at Tesla, revealed on LinkedIn that Tesla is developing a "private 5G" infrastructure to provide high-speed, low-laten...[Details]
The industrial robot control system is the brain of the industrial robot, which is responsible for receiving input signals, processing information, controlling the robot's movement and performing t...[Details]
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