[size=3][color=#000][font=宋体]LED backlight technology LCD TVs are technically available in two main types: side-entry and direct-down. Although both technologies have their own advantages, considering...
I am currently working on a water heating device that uses an NTC thermistor to sense the water temperature and then makes corresponding controls based on the set temperature. Previously, I have been ...
[size=4]It is said that there are two kinds of engineers in this world, those who use Tektronix oscilloscopes and those who use other oscilloscopes:pleased:[/size][size=4][color=rgb(102, 102, 102)][fo...
As shown in the figure, this is a basic structure diagram of an RCC self-excited oscillation circuit. When the power is turned on, current flows into the primary coil. Does the current increase linear...
I have a basic knowledge of 51 and want to learn MSP430. I want a LaunchPad + touchpad. The cheaper the better. Of course, I wouldn't mind if you give it to me. [img]https://bbs.eeworld.com.cn/images/...
1. As shown in the figure. Use TL431 to build a 100ma two-terminal constant current circuit according to its datasheet. 2. The input voltage VCC is 8-27V. At first, only one MOS tube was used. Before ...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
Sailing is gaining more and more attention. How to use modern technology to assist training and improve competition results is particularly important. Considering the real-time data collection in t...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[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]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
Power technology
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