In the process of making circuit boards, ink is needed to be printed on the solder mask and text to meet the functional requirements of the circuit boards. Let's first introduce the brands of commonly...
First of all, I would like to thank the forum platform for providing us with such good resources. I haven't participated in forum activities for a long time. This time I happened to be making a small ...
Sensor nodes are required to work for a long time. Frequent replacement of batteries is time-consuming, laborious, and impractical in many situations. They cannot be charged as frequently as portable ...
The animation explains the working principles of various motors in detail, including: three-phase induction motor, servo motor, single-phase induction motor, variable frequency drive working principle...
Research Analysis:A total of 30 questionnaires were received , and 22 valid questionnaires were answered as required .From the age distribution point of view:35-40 years old : 4 people; 30-35 years ol...
Recently, Qorvo announced the launch of a new generation of multi-time programmable power management IC (PMIC), which is optimized for high performance and compact design. Everyone knows that Qorvo's ...
1. Design of LED display program
The DMA controller inside S3C44BOX is used to transmit and control data, which simplifies the display program. The program flow is shown in the figure. The tra...[Details]
With the development of digital signal processing technology, the improvement of data bus bandwidth and storage medium reading speed, there are more and more technical means to record a section of sp...[Details]
Due to the rapid development of real-time oscilloscope technology, it is now possible to use an oscilloscope to capture and analyze full-band ultra-high frequency RF signals. The unique advanced ana...[Details]
The fully automatic image measuring instrument is an artificial intelligence type modern optical instrument developed on the basis of digital image measuring instrument . The fully automatic optical ...[Details]
On March 16, OnePlus founder and CEO Pete Lau announced a brand new OnePlus brand. Liu Zuohu said that OnePlus will launch a new brand visual system soon. Since its establishment in 2013, On...[Details]
IT Home reported on February 22 that Honor officially released the new Honor V40 mobile phone (YOK-AN10) last month. In addition, the Honor V40 passed the EEC certification last week along with...[Details]
A few days ago, IHS Markit released a report titled "Imagining the 'Apple Car'". Some of the speculations about the components and technologies of the "Apple Car" are actually very interesting. The ...[Details]
1 Introduction The human-to-land ratio of urban high- and low-voltage transmission cables has become one of the symbols of urban management level. In recent years, urban power transmission and distri...[Details]
There is no doubt that LiDAR is the core sensor of the autonomous driving system. However, to achieve the transition from demo to mass production, the first thing to do is to solve the problem of aut...[Details]
Since the beginning of this year, under the dual influence of the epidemic and the adjustment of business strategies of Korean manufacturers, the prices of LCD TV panels have fluctuated greatly, risi...[Details]
The display of Google's new flagship Pixel 4 XL has been certified for the highest image quality by the US evaluation agency DisplayMate, and its OLED panel comes from Samsung Display. According to...[Details]
Lithium-air battery is a battery that uses lithium as the anode and oxygen in the air as the cathode reactant. It can be called a green battery.
Discharge process: The lithium at the anode rel...[Details]
The program memory of PIC is FLASH memory, which mainly stores program code and will not be lost when power is off.
The data memory is SRAM, which mainly stores some program variables and ...[Details]
Universal inverter uses transistor input signal diagram
See the figure. Since the transistor can be controlled with a very small base current, the signal transmission distance can be increased.
...[Details]
introduction The UPD78F9234 microcontroller is an 8-bit ALL-FLASH series microprocessor produced by NEC. It has excellent performance: an integrated 4-channel 10-bit A/D converter; a built-in high-p...[Details]
PCB Design
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