I was recently learning Linux and compiling some C++. I found that I couldn't copy the content in Windows to the virtual machine. It was very inconvenient. After consulting the information, the soluti...
Please help me look at this circuit diagram. At first, I used the MOS tube IRF7822 in the recommended design, and found that it was easy to break down. It turned out that the VDSS exceeded the specifi...
When I was learning 51, I read the compiled textbook at least 7 to 8 times. The book is full of information and the 51 textbooks are all similar. Comrades who have just learned 51 should read the 51 t...
[color=Red][b]How to use Java Pi4J to program the Raspberry Pi I/O port[/b][/color] : https://training.eeworld.com.cn/course/2093[b]Pi4J is a Java library specifically designed to control the Raspberr...
Such a data table material diameter number length Q235 10 1 15 Q235 10 2 21 . . . #45 5 1 15 #45 5 2 30 . . . I mainly read the length value in the database according to the material and diameter valu...
[i=s]This post was last edited by Tianming on 2014-7-22 10:24[/i] Field Programmable Gate Array (FPGA) is a programmable logic device that was originally used almost exclusively for prototyping of hig...
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]
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[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]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
Introduction
Power subsystems are becoming more and more integrated into the overall system. Power systems have moved from being separate "essential dangerous devices" to being monitorable...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[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]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
1. Disadvantages of choosing too high a voltage level
Choosing too high a voltage level will result in too high an investment and a long payback period. As the voltage level increases, the...[Details]
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[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]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Linux and Android
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