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On August 24, ASUS is about to release its annual flagship ZenFone 7 series. The leaked real machine spy photos show that ZenFone 7 continues the flip lens design of the previous generation Z...[Details]
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High-end measuring instruments are composed of many electronic components. When the instrument is working, the heat generated by the electronic components gathers, causing the internal temperature of...[Details]
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About 8*8LED dot matrix screen 1.8*8LED dot matrix screen schematic diagram 74HC595 shifter: serial input parallel output LED: Monochromatic light, trichromatic light (red, green, blue – mult...[Details]
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ROHS detector is an X-ray fluorescence spectrometer, and its analysis principle is the same as that of X-ray fluorescence spectrometer. X-ray fluorescence spectrometers can usually be divided into t...[Details]
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I was confused when I read a piece of code recently, so I will briefly summarize it.
struct _m_usmart_nametab usmart_nametab =
{
#if USMART_USE_WRFUNS==1 //如果使能了读写操作
(void*)read_addr,"u32 read_ad...[Details]
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In the traditional power frequency parameter testing of transmission lines, three-phase autotransformers and large-capacity isolation transformers are used to provide test power, and CT and PT used ...[Details]
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This article will introduce you to a home automation system that can easily control lights, fans, and other home appliances through voice commands using NodeMCU and Relay modules.
In thi...[Details]
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Project: 431 plus photocoupler feedback flyback Phenomenon: The output voltage regulation rate is very poor, and the voltage drops significantly as the load increases. The voltage difference between...[Details]
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In the last issue, we explained the input parameters of the inverter, which mainly involved how to select PV modules. However, the mission of the inverter is to provide power to various power-consu...[Details]
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This wireless scanner is based on the single-chip microcomputer mPSD3254BV. It can scan one-dimensional or two-dimensional bar codes through the scanning subsystem. The keyboard and display system ...[Details]
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Schematic Test light, connected to GPIO peripheral B, Pin 12 Example Prerequisite: the project template is established #include "stm32f10x.h"void delay(u32 i)
{ while(i--);
}void led_init...[Details]
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O Introduction
With the increasingly severe anti-terrorism situation at home and abroad and the frequent occurrence of various emergencies, higher requirements have been put forward for the arm...[Details]
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According to Jiwei.com, the market has heard that TSMC's advanced process yield is much higher than Samsung's due to Samsung's process problems, and it is expected that Qualcomm's orders will return ...[Details]
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Added Nor Flash support and DM9000 support Added Nor Flash support Reference URL: http://blog.csdn.net/l_backkom/article/details/6252410 and "Mini2440 U-boot Usage and Transplantation Detailed Ma...[Details]
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High brightness LEDs are increasingly being used in lighting applications. Here we present a simple "mood light" using only a few components. All three LEDs are powered by a constant current using ...[Details]
Microcontroller MCU
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