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Q-switching technology is a technology that uses some method to make the Q value of the cavity change with time according to a certain procedure. At the beginning of pumping, the cavity is placed i...[Details]
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Arbitrary waveform generators are a type of signal source that is increasingly being used. How to measure arbitrary waveform generators is also a matter of concern to metrological units or depart...[Details]
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The three major A-share indices closed down today, with the Shanghai Composite Index falling by more than 1%. The total turnover of the two markets exceeded 1.2 trillion yuan, and most industry secto...[Details]
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Pixelworks Launches Seventh Generation Mobile Visual Processor for Ultra-Smooth Gaming with High Frame Rate, High Dynamic Range, Low Latency and Low Power Consumption
Make frame rate...[Details]
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As shown in the figure, this is a three-and-a-half-digit DC millivoltmeter, which has the advantages of high accuracy, stable performance and easy use. Its measurement range is 0-1.999mV, and the meas...[Details]
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This article uses a 480 ohm resistor load test . The oscilloscope X-axis 5MS/grid and Y-axis 5V/grid electrical parameter measuring instrument displays input voltage, current, power, and power factor...[Details]
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As an important medium for modern information release, LED (Light Emitting Diode) large screens are receiving great attention from all walks of life, especially the business and advertising circles....[Details]
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Code is the program code part RO-data represents the constant const temp defined by the program; RW-data represents the initialized global variables ZI-data represents the uninitialized global var...[Details]
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To avoid losing valuable time due to failing compliance testing, electromagnetic interference (EMI) measurement applications running on spectrum analyzers/signal analyzers allow you to perform pre-co...[Details]
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When using an oscilloscope, one of the most basic issues is how to stabilize the displayed waveform. This involves triggering operation, which is a difficult skill to master when using an oscillosc...[Details]
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The tourism market is particularly lively this year. With the enthusiasm to explore the beautiful scenery of the motherland, self-driving travel has become a hot topic. We also recently went to Xinji...[Details]
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ORG 0000H
;http://www.51hei.com Assembly language serial communication program
mov p1,#0ffh
mov p3,#0ffh
;mov p3,#00h
mov p1,#00h
MOV SCON,#50H;Set to serial port 1 mode
...[Details]
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This tester can test whether the remote-controlled infrared receiver module in a television or DVD player is working properly, and the circuit structure is very simple.
The infrared receiver module...[Details]
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The Internet access of CNC machine tools is one of the key technologies of the intelligent digital factory of Industry 4.0. In the process of production management, machine tools are often "informa...[Details]
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Here is an overview of the pros and cons of these motors:
1. Advantages:
(1) Low cost:
Two-phase permanent magnet (PM) stepper motors are generally less expensive than similarly size...[Details]