I have a small sensor board, but I can't test it without the corresponding color. So I just bought some colored paper to test it.After taking the photo, I found that the yellow paper almost turned whi...
I am using STM32F407ZG. This is a program that reads buttons. Every time the program runs to this point, it will enter the if statement regardless of whether the if condition is equal or not. I have n...
Many netizens have posted about ST, Freescale, and NPX boards, so I won’t repeat them here. Here are some open source development boards that I have used over the years.In the past 10 years, open sour...
0 Introduction
In the teaching of electrical control courses, conventional training projects mainly include the installation, wiring and debugging of the inching control circuit, continuous...[Details]
introduction
Some large museums and scenic spots in China have adopted some voice guides to provide tourists with various explanations and guides, which greatly facilitates tourists' understan...[Details]
The research on LED display screen uses a screen of 8×8 dot matrix display, focusing on dynamic processing methods. Due to the limitations of the display screen, only English and numbers can be d...[Details]
Yu Chengdong, president of Huawei's consumer business, recently said that the Huawei Mate 40 series may be the company's last mobile phone to use Kirin chips. This news has attracted great attention ...[Details]
In C51 MCU programming, the functions of the header file INTRINS.H are as follows:
(1) _crol_ character circular shift left
Shift the char type variable to the left (right) by the specifi...[Details]
According to foreign media reports, the Audi A8 is equipped with high-end driver assistance technologies, covering almost all aspects of highly automated driving. Three technologies debuted in the ne...[Details]
In the field of high-reliability applications, if the design is appropriate, there will be no problems such as unreliable reset of MCU and possible flight of PC. The high reliability of CPLD/FPGA i...[Details]
Recently, the iMedia Frontier Technology Industry Research Center released the Chinese smartphone user reputation rankings in April 2019. Let's take a look at the details: The data shows that...[Details]
This article summarizes the experience and skills of transistor measurement from five aspects. After digesting various transistor measurement methods, you may wish to improve your skills by reading th...[Details]
In the 2019 Government Work Report, China set the GDP growth target for 2019 at 6% to 6.5%, and expressed the need to promote high-quality and sustainable development. Previously, the Central Economi...[Details]
Table 4 BIT3105 pin functions
(1) Drive control circuit
The drive control circuit consists of U1 (BIT3105) and its peripheral components.
When the LCD backlight nee...[Details]
In the "cold winter" of the auto market, a piece of news attracted widespread attention in the market and provided a glimmer of warmth for NIO, which was in the midst of multiple difficulties such as...[Details]
The working principle of the ultrasonic level meter is that the transducer (probe) emits high-frequency ultrasonic pulses, which are reflected back when encountering the surface of the measured med...[Details]
I just started learning MSP430 and used IAR5.4. I wrote my first program according to the example in the reference book. It is as follows:
#include "io430.h"
void main( void )
{
// St...[Details]
With the miniaturization of electronic devices, the power supply of compact electronic devices is a very important issue. At present, DC-DC converters are widely used in battery-powered devices an...[Details]