I use 89c51 to decode. The display shows 1602. But during the decoding process, the displayed code keeps changing for a certain period of time and then does not change. Why? Can I press the button to ...
In 2005, the performance of the global mobile communication market was exciting, with 400 million new users and the entire market showing a high-speed growth trend. In order to maintain this prosperit...
[i=s]This post was last edited by mig29 on 2020-11-22 14:31[/i]This example uses the demo ..\MM32F013x_Samples\LibSamples\ADC\ADC_Polling to measurethe accuracy and linearity of the ADC.1. First, cali...
When writing multiple blocks to an SD card, after writing a sector, the data0 returned by the SD card is sometimes pulled low for a long time, that is, the SD card is busy for a long time, even up to ...
[font=Verdana, Helvetica, Arial, sans-serif][size=14px]With TTL as the driving level, should the chip light-emitting diode adopt the common anode or common cathode connection? Please tell me the reaso...
[p=28, null, left]I went to attend [color=inherit][font=inherit][url=https://kktix.com/events/happydesigner-mini-5]HappyDeisgner Mini #5[/url][ yesterday /font][/color] I heard Caesar Chi telling the ...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[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]
The Portable Digital Data Acquisition System (PDDAS) uses LabVIEW Real-Time and PXI to control the wind tunnel test and record air pressure data from 128 different channels.
"The LabVIEW Real-...[Details]
In recent years, the market for mobile/portable devices such as smartphones and laptops has continued to grow rapidly. While these products continue to integrate more new features to enhance the ...[Details]
1. Introduction
Light control circuit plays a vital role in urban street lamps or corridor lighting. With light control circuit, the lights can be automatically turned on and off according to ...[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]
My colleague and I spent the day chatting in the hotel bar. We had met with several customers. We were both wondering how come these engineers we were meeting knew almost nothing about analog techn...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
Smart lighting control systems provide high controllability for various buildings and further enhance the level of green energy. They are the core products of energy conservation and digital techn...[Details]
With the continuous consumption of earth's energy and the scarcity of resources, the harm of greenhouse effect to human beings, and the serious pollution of the atmosphere to the earth, the intern...[Details]
In the analysis of electronic circuits, static analysis (also known as DC analysis) is the basis of circuit analysis. However, it is well known that electronic components are nonlinear, so the anal...[Details]
RS-422 and RS-485 are both serial data interface standards, which were developed and published by the Electronic Industries Association (EIA). RS-422 defines a balanced communication interface with a ...[Details]
The traditional display screen using 51 single-chip microcomputer to control LED dot matrix has relatively simple functions. If it is to achieve diversified functions, it often takes a lot of time ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]