I saw a short video of a ragpicker hammering an electron tube, and then the person who filmed it quickly bought it!There are some dubbing at the end, saying that the tubes are imported from the United...
void DispDataWrOneNibble (CPU_INT08U data){ CPU_INT32U value; BSP_LCD_DISP_RW_LO();/* Set R/W write LOW to write to the LCD module.*/ BSP_LCD_DISP_E_HI();/* Write the UPPER nibble to the LCD module.*/...
This should be considered a traditional device, just a timer (1-64s), so you don't have to be surprised. The power consumption is 30nA, which I think I can't test. Below are the basic parameters. The ...
Only the writing function of TWI is tested, and the device address, register address and data are written respectively. However, only the device address and data are seen from the oscilloscope, and th...
I right-clicked on the column name, selected columns, and added description and library myself. It worked at the time, but why did I close the software and reopen it, and the "description and library"...
What does this silk screen printing WBBSW mean? It looks like a transistor. Is there any kind person who has silk screen reverse lookup information that can be sent to me?...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
1 Introduction
With the acceleration of the pace of urban modernization, society has higher requirements for urban road lighting and urban lighting projects. The state has clearly required tha...[Details]
This week, Microsoft held its 2012 Microsoft Worldwide Partner Conference (WPC) in Toronto, Canada. At the conference, Microsoft showed its new products and services to partners around the world. A...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Liquid crystal display (LCD) panels have a wide range of applications, from small portable electronic devices to large fixed devices, including digital cameras, laptops, personal data assistants, d...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
When the so-called "copycat phones" that flood the domestic mobile phone market move towards large screens, stereo amplifiers, touch controls, and even GPS navigation and mobile TV, the homogeneity...[Details]
1 What is an LED floodlight?
LED downlights are also called spotlights, projection lamps, and spotlights. They are mainly used for architectural decorative lighting and commercial space lighti...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
1 Introduction
Power supply ripple will interfere with the normal operation of electronic equipment, causing malfunctions such as computer crashes, data processing errors and control system fa...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
1 Introduction
At present, advocating health has become the focus of people's attention, and the emergence of treadmills has become more and more popular. People can exercise at home or in the ...[Details]
Analog electronics
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