[Ask if you don't understand] Use the 89C52 single-chip computer to make an LED light flashing effect, turning on for one second and off for one second. Now I'm stuck on assigning initial values to ti...
In recent years, with the emergence of intelligent products and increasingly fierce competition, many terminal product manufacturers have higher and higher requirements for the indicators of their own...
I started playing with digital electronics and felt that the power supply was not easy to use. I found LM317 and made a power supply module. It is simple and easy to make. If you are interested, you c...
[i=s]This post was last edited by cruelfox on 2020-4-30 00:46[/i] I have been playing with the Cortex-A7 core of the STM32MP157A because it is new to me. In addition to the two A7 cores, this chip is...
Based on Xunwei iTOP-4418 Development Department, in Eclipse, click the "Windows" menu and select "Android Virtual Device Manager" to start
Simulator Management Plugin. Then click “Create…” as shown b...
According to news on November 28, Nexperia will acquire Nowi in 2022 for an undisclosed amount. The deal has now been approved by the Dutch government, which has been investigating it on national sec...[Details]
With the proposal and promotion of Made in China 2025, my country's manufacturing industry is gradually moving from the traditional production model to a new development stage of digitalization, info...[Details]
When programming PIC microcontrollers, you may encounter this problem: the program is fine, the program is burned successfully, and the hardware is powered on, but why is there no response? Later I f...[Details]
I have always been confused about the timer triggering ADC, and there is little information on it. Here I will analyze the official example in detail.
1: The following is the official routine,
in...[Details]
I wonder if you have noticed that mid-range phones are the hardest to choose. Entry-level phones are more affordable, so you can buy them based on your preferences and not worry too much even if they...[Details]
In terms of data storage type, the 8051 series has on-chip and off-chip program memory, on-chip and off-chip data memory, and on-chip program memory is also divided into direct addressing area and in...[Details]
Section 9. I602 LCD display principle and implementation 1. The simplest LCD working principle of 1602LCD, 1602 LCD is divided into two types: with backlight and without backlight. Most of the ba...[Details]
1. After power on, enter the mode of waiting to receive SMS. If the received data contains the ledon string, LED7 will be lit and LED6 will be turned off . If it does not contain the ledon string, ...[Details]
Double data rate (DDR) memory technology has grown dramatically over the past five years as oscilloscope users have demanded faster, lower power, and smaller memory. DDR4 stands for the fourth gene...[Details]
According to foreign media reports, documents obtained show that Foxconn's current project has seriously deviated from the original plan to build a display factory in Wisconsin. The repeatedly reduce...[Details]
1 Introduction
Pointer-type and light-spot galvanometers have large external critical resistance and internal resistance, and have large losses in the circuit. Moreover, when the current in t...[Details]
With the popularity of mobile phones supporting wireless charging , wireless chargers have also begun to enter cars. In response to the industry pain points such as cumbersome design and difficult ce...[Details]
01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]