[i=s]This post was last edited by grove_armweak on 2019-11-29 23:06[/i]1. Is 1W enough for R1 in the picture?2. What is the best power for R3, R4, and R5 respectively?3. Can 7407 be omitted in the fig...
[size=4]It is probably to generate a PWM wave of a certain frequency through the clock[/size] [size=4] [/size] [size=4]Using FPGA can get a more perfect waveform, but if only a CLK wave is provided, F...
This machine is locked by NEC, and I can't enter the system, I can only use this interface. Can anyone modify the registry without a data cable? I have many such machines, the screen is 480X800 high-d...
How many bytes does float occupy? 4 bytes? How many bytes does unsigned long occupy? Also 4 bytes? So in unsigned long * x; or float * x; *x++; is the operation here adding 4 or adding 1?...
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data, the...[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]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
When choosing a laptop battery, you should consider several factors, such as power, appearance, and quality.
Regarding power, we often see that a manufacturer uses values such as the number ...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[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]
Experimental tasks
A DS18B20 is used to form a temperature measurement system. The temperature measurement accuracy reaches 0.1 degrees. The temperature range is between -20 degrees and +50 de...[Details]
In 2012, more than half of the cars in the European, Japanese and American car markets will be equipped with color displays, navigation systems, satellite communications and other in-vehicle infota...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guangzho...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
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0 Introduction
In order to improve the automation control of shortwave transmitters, so that they can automatically process from far to near, the technicians here use the ICS system to complete the ...[Details]
1 Development of LED Film and Television Lighting
1.1 The significance of developing film and television lighting
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introduction
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