Task requirements:Number the 4X4 matrix keyboard. If one of the keys is closed, the corresponding key number will be displayed on the LED digital tube.The analysis shows thatthe 4X4 matrix keyboard on...
I use a time delay to make the motor rotate, switching every 2ms. Figure 1 is my phase waveform, and Figure 2 is someone else's (the hardware is the same, the same board).My problem is that there is b...
How do I set the impedance of the differential line in ALTIUM19? I recently studied HDMI and needed to set the length and width of the differential line. I searched for a long time but couldn't find w...
News on the evening of April 15th, ZTE today released its 2021 flagship mobile phones Axon 30 Pro and Axon 30 Ultra 5G (hereinafter referred to as Axon 30U), with imaging function as the main s...[Details]
On March 24, GM's EN-V electric concept car made its global debut in Shanghai. As a future-oriented personal mobility tool, EN-V is particularly eye-catching for its foresight on traffic safety: re...[Details]
Since many people always ask this question, here is a summary document for your reference. It must be explained here that the following steps are for Linux systems, not WinCE. You may notice that amo...[Details]
By using the Zener breakdown characteristics of the voltage regulator tube, a high-frequency signal with a frequency of hundreds of megahertz can be obtained. The circuit is shown in the figure. The ...[Details]
According to reports, Intel said in a statement on Thursday that a large chip factory currently under construction outside Columbus, Ohio, may be reduced in size or delayed in construction, depending...[Details]
Suppose you are tasked with designing a monitor circuit for a new, battery-based power system. What strategies would you adopt to optimize the cost and manufacturability of the design? The initia...[Details]
Three major product divisions covering thousands of industries ON Semiconductor has three major product divisions: Power Solutions Group (PSG), Advanced Solutions Group (ASG), and Intelligent Sens...[Details]
The fusion of art and technology creates miracles, and Tektronix oscilloscopes continue to explore the unknown world
The perfect combination of testing and aesthetics makes Tektronix...[Details]
The following summarizes the main features of the AVR microcontroller ATmega16: (Note: Red *x* symbols in brackets indicate that there will be explanations/explanations below the article) 1) AVR cor...[Details]
Haojue 125 motorcycle voltage regulating rectifier circuit and principle
This article provides a circuit schematic diagram based on the actual object, which is a technical document that motorcycle ...[Details]
Digital
video processing
has always been a hot topic in the current multimedia device applications. There are many standards for digital video, and they are still evolving. Therefore, the sys...[Details]
Regarding the automotive electronic control system, it is actually not exclusive to new energy electric vehicles. Fuel vehicles also have it, but the electronic control system of new energy electri...[Details]
In this chapter, we will focus on the principles and applications of other inorganic toxic and harmful gas detectors, but in fact, it is difficult for us to simply divide toxic and harmful gases into ...[Details]
Use a 4*4 matrix keyboard and a digital tube The characters 0-F are encoded on the 4*4 matrix keyboard, and a digital tube displays the characters entered on each keyboard. //4*4 keyboard detection p...[Details]
A composite switching power supply circuit diagram with power-off protection function
Figure 1. A composite switching power supply circuit with power-off protection function
具有掉电保护功能的复合型开关电...[Details]
Microcontroller MCU
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