This circuit is used to realize a small loudspeaker, which can emit sound, but there are some problems. 1. You must speak close to the electret microphone to amplify the clear sound. When you are away...
[font=Times New Roman][size=5][color=#000][backcolor=rgb(238, 238, 238)]Transfer EXCD-1 development board, [/backcolor][/color][backcolor=rgb(238, 238, 238)][color=#ff0000]XILINX Spartan 3E XC3S500E[/...
Here is a last-minute DIY suggestion: 1: Using a friend's words, this is something that is made a lot on the Internet. The original solution's MCU is based on 51. Like many other netizens, this time I...
Due to the defects of the Bluetooth security protocol itself, mainstream Bluetooth chips from companies including Apple, Intel, Samsung, Qualcomm, CSR, etc. are facing the threat of BIAS counterfeit a...
Electromagnetic compatibility is becoming more and more important in electronics, but there is no section on electromagnetic compatibility in our forum. So I strongly suggest creating an electromagnet...
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]
As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[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]
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]
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]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
Some people think: as long as the program runs well, it doesn't matter how the original program is written. But this is absolutely not the case. Software is not completed in one go, and it is neces...[Details]
0 Introduction
The load with impact (rapid change) power in the power system will cause the voltage fluctuation and flicker of the power grid, causing many electrical equipment to fail to wo...[Details]
New Automobile
Hydraulic Clutch
The hydraulic control system uses almost 100% advanced engineering plastics, which overcomes the shortcomings of the main and branch cylinders of metal clutc...[Details]
An intelligent vehicle is a robot that can automatically drive in an environment according to a pre-set mode, or it can autonomously perform specific operations according to the on-site situation. ...[Details]
As a type of iron battery, lithium iron phosphate battery (hereinafter referred to as lithium iron battery) has always been widely concerned by industry friends (some people say that lithium iron b...[Details]
1 Introduction
The early stage control system used relay control. Due to the large number of stage equipment, the number of control elements is huge and the wiring is complicated. Therefore, th...[Details]
Introduction
The LED market has seen tremendous growth over the past few years. Advances in thermal dissipation, packaging, and processing have resulted in higher brightness, higher efficien...[Details]
Analog electronics
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