[i=s]This post was last edited by 244141084 on 2020-10-9 11:43[/i]The power supplies in the picture are all 5V. I can understand the first two op amps, but I can't understand the op amp with a MOS tub...
[align=left] In order to give back to the forum and prevent the waste of development board resources, I plan to give away a PIC18 development board on the occasion of the Chinese Valentine's Day. Neti...
I need to make an application software, using MFC, with many dialog boxes, full screen display. If you have any questions, which sub-forum should I go to? This seems to be more about systems and drive...
Switching power supplies are widely used by electronic companies because of their high efficiency and small size. The following are the test methods and test items summarized by myself in my work. If ...
This is a liquid level sensor for a small boiler, but I don't know the model and type. Please help me find out. It is installed on the side of the boiler, and A and B will be in contact with water. I ...
I just got a VS1053 module and tried toThe sine test succeeded, but the register reading is always wronguint8 RxFlag=0; uint8 RX_DATA[2];void SPI_Init() {U0CTL = CHAR + SYNC + MM + SWRST; // 8-bit, SP...
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[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]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[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]
VP2188 is a color STN LCD module produced by Jingdian Pengyuan. This module is a dot matrix transmissive color STN display screen with a color scale of 65 k colors and white LED backlight. Its core...[Details]
12v Lead Acid batteries used in trucks, cars, RVs and uninterruptible power supplies are usually rated at 12V. This circuit monitors the battery, the charge and discharge curves, gives the cu...[Details]
OC faults may be the most frequent and the most frequent of all faults in the inverter. They alarm during the startup process, during the shutdown process, during operation, and even when powered o...[Details]
Abstract: With the development and construction of BeiDou II system, China will shift from the situation dominated by GPS to the situation dominated by BeiDou II global navigation system independen...[Details]
Preface
In recent years, white light LEDs have gradually replaced incandescent bulbs and fluorescent lamps because they have unparalleled advantages over traditional light sources in terms...[Details]
0 Introduction
With the rapid development of social economy and science and technology, electric locomotives, subways and electric vehicles will be widely used. The power conversion and cont...[Details]
Analog electronics
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