Let's first briefly introduce the operating principle of LCD. As shown in the LCD schematic diagram below, each dot in it is a pixel. Imagine there is an electron gun that emits light of various color...
A schematic diagram found on the Internet. Now replace the L in the diagram with a passive crystal oscillator, as shown belowCan this achieve oscillation? Does oscillation require R1 to be much larger...
It's not fun if you can't debug. I can't afford an expansion dock, so I soldered two DF12 (4.0) male connectors to an emulator and tried it. I searched many stores and finally found one that was reaso...
IntroductionWith the continuous development of the communication industry, mobile terminals have evolved from the original single call function to the comprehensive development of voice, data, image, ...
The screen module's power supply voltage is 11V~26V, so choose 12V, which is easier to connect. There is a socket that can output 12V. Although the board power supply does not lead to a standard inter...
Many people will encounter the situation when learning single-chip microcomputers. The program is beautifully written and the principle is thoroughly understood, but... I don’t know how to use ...[Details]
The control of the frequency converter is nothing more than the basic logic of start, stop, forward, reverse, and speed regulation. These logics basically require the level state to be valid, rathe...[Details]
According to the "Industrial Robot Industry Standard Conditions", after the industrial and information technology authorities of provinces, autonomous regions, municipalities directly under the centr...[Details]
Abstract: This article explains the concept and development of Optical Transport Network (OTN), and discusses the driving force of the booming OTN on the optoelectronics industry.
Keywor...[Details]
As shown in the figure, the control circuit consists of 555 and music IC circuit. It is used for liquid level control of conductive liquid
1, 2, 3, and 4 are four probes. When the liqu...[Details]
In the early days of the field of machine vision, a common research paradigm was to view images as two-dimensional digital signals and then use methods from digital signal processing, which is imag...[Details]
In order to prevent the spread of the new coronavirus epidemic, Tesla has temporarily closed its Shanghai Super Factory under the guidance of the local government. It is reported that this is expecte...[Details]
Large-scale operation has become one of the core barriers of the power battery industry. The first release of production capacity is expected to lock in a larger market share in advance, and the scal...[Details]
1 Introduction Switching power supplies are increasingly used in high-speed digital system design, and a system often requires multiple power supplies. Not only is the power supply system susceptibl...[Details]
At noon today, DXOMARK announced that the overall audio score of Apple HomePod mini was 98, ranking last in the advanced version of DXOMARK speaker review. IT Home learned that DXOMARK's spea...[Details]
If you have never encountered a grounding problem, you are definitely not an EE! Grounding is very important in both R&D and testing. Poor grounding may not only lead to incorrect measurements, but ma...[Details]
1. Use the timing function of timer Timer0 to design a countdown and display it on the digital tube. #include htc.h #define uint8 unsigned char #define uint16 unsigned int #define SCK_595 RA5 ...[Details]
On the morning of April 26, the weather was fine and the spring scenery was bright. The groundbreaking ceremony for the 2023 transformation project of Qidong Life and Health Industrial Park and the...[Details]
1. Introduction
Since the emergence of microcontrollers in the 1970s, they have been rapidly developed and widely used in nearly 30 years. With the rapid development of microelectronics technology,...[Details]
On November 4, 2024, NXP Semiconductors NV (NXPI) today released its third-quarter financial results as of September 29, 2024. Despite the slowdown in the macroeconomic environment and demand in so...[Details]
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