When I was working on a project before, I had a car fan left in my hand, which looked like the one in the picture below. It uses a DC 24V power supply and can adjust the gear position. After I took it...
[i=s] This post was last edited by 图呢什什 on 2019-8-7 19:54 [/i] AD19, on a PCB that has already been copper-plated, the copper is deleted, the template is changed, and a new PCB is drawn. However, when...
[i=s]This post was last edited by TL-LED on 2020-5-8 23:28[/i]I am honored to have the opportunity to evaluate the ST NUCLEO-H743ZI development board. After receiving the development board, I couldn’t...
The hardware combination of MCU + GSM realizes the function of sending text messages. Where should we start if we want to improve the reliability of data transmission?
PS: If you want to design a hard...
The generation of three-phase SPWM can generally be achieved by comparing a sine wave with a phase difference of 120° with a triangle wave. A three-phase sine table can be composed of three indepen...[Details]
From August 29 to 31, the 2019 World Artificial Intelligence Conference was held in Shanghai. As one of the first 15 strategic partners, State Grid Corporation of China, led by Shanghai Electric Po...[Details]
Apple officially released the iPhone SE 3, iPad Air 5, Mac Studio and Studio Display early yesterday morning. What are the prices of these new products around the world? Price statistics web...[Details]
Abstract: The automobile fuel evaporation tester is a special precision instrument developed and designed to meet the needs of online dynamic detection of gasoline vehicles. It adopts the pressure dr...[Details]
For more information about A/D conversion and XPT2046 chip, please refer to: https://blog.csdn.net/cax1165/article/details/87024388 #include reg52.h #include XPT2046.h sbit LSA=P2^2; sbit LSB=P...[Details]
Therefore, the "famous" laser radar has entered a new stage of development, both in terms of technology and products, as demand in the automotive and service fields has exploded.
In 2013, S...[Details]
Yesterday, Huawei Mate 20 X 5G version passed 3C certification (model EVR-AN00), which is Huawei's first 5G mobile phone to pass 3C certification. Certification information shows that Huawei Mate 20 ...[Details]
Chipmakers that supply Apple should have learned by now that they should never treat this business as a permanent one. Intel is the latest example, as Apple eventually replaced Intel processors with ...[Details]
PFC boost pre-conversion circuit
In Figure 3, the active PFC boost stage circuit is placed between the bridge rectifier (D1~D4) and the DC-AC half-bridge inverter. The internal PFC controller and ...[Details]
HEFEI, May 18, 2024 /PRNewswire/ -- On May 17, with the theme of "To the New World", the 13th Technology Conference of Gotion High-tech was grandly opened at its Baohe headquarters. Aiming at the c...[Details]
0 Introduction
Temperature measurement plays an important role in people's daily life. When people feel unwell, they usually need to measure their body temperature. Liquid food eaten by babies or p...[Details]
1. Please pay attention to safety during high voltage test and operate in strict accordance with the specifications of high voltage test . When checking/modifying the test wiring, please turn off t...[Details]
Not long ago, Huawei officially announced that it will launch its first vertical folding screen mobile phone - Huawei P50 Pocket (which is the previously rumored Huawei Mate V) at the winter flagship...[Details]
1. Introduction
The popularity of computers and data terminals has led to the widespread application of wireless data communication technology in many fields. In wireless data transmission...[Details]
Open the 6410 chip manual and find the vector interrupt control register in 12. VECTORED INTERRUPT CONTROLLERS. Vector interrupts (6410, 210) often use hardware to complete interrupt jumps.
Th...[Details]
Making friends through disassembly
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