During this period, I used my spare time to mark all the device packages, generate a complete PCB, and roughly lay out the layout. The rest is the wiring work. This work has been handed over to the ne...
Now the full-bridge output topology is widely used. It is often seen that a small but high-power resistor is added in front of the G pole of the MOS tube in each bridge arm. At the same time, there is...
I have used 51 for a long time, and now I am interested in ARM's M3 core.
I would like to ask: Which brand is good in the domestic market? Is it convenient to sell? Is it cost-effective?...
Samsung's 2416 chip launched in the first half of 2009 has an overwhelming advantage over the 2440 and is the first choice to perfectly replace the 2440. 1. Performance and support for video playback:...
Recently I want to write an MP3 player under Windows CE6. I looked up some information online and found that there are too many to choose from. Brothers who have written MP3 applications, how did you ...
[size=4]PIE divides 96 interrupts into 12 groups INT1~INT12. Each group manages 8 interrupts INT*.1~NT*.8. These 8 interrupts share CPU interrupts INT1~INT12. Each group can enable or disable the inte...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
I. Introduction
In the field of power conversion, isolated converters (forward, flyback, and double-ended) with low output DC voltage all use MOSFET as the rectifier device. Since these devi...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
In recent years, with the increasing maturity of LED technology, LED light sources have been increasingly widely used due to their advantages of using low-voltage power supply, low energy consumpti...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
Current
measurement:
Magnetic balance Hall current
sensor
is used
. The sensor can measure AC from DC to 100kHz.
In automatic measurement and control systems, it is often nec...[Details]
1. Project Introduction
Beijing Benz-Daimler Chrysler Co., Ltd. is a joint venture between Beijing BAIC Group and Benz-Daimler Chrysler. In October 2005, it started to build a new automobile ...[Details]
DIY/Open Source Hardware
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