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Wide bandgap semiconductor gallium nitride (GaN) and its related compound semiconductor materials are widely developed for lighting and various optoelectronic components. The emission wavelength of g...[Details]
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Look up the schematic diagram of the mini2440 and find the schematic diagram of the LED part:
Then find the pins of the S3C2440 to which nLED_1 to nLED_4 are connected respectively:
...[Details]
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In a switched mode power supply (SMPS), the AC mains input is directly regulated and filtered to obtain a DC voltage. The DC voltage is then converted at a high frequency (typically between 10 kHz an...[Details]
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The reliability of the power control system is the guarantee for the reliable and efficient operation of the power system and equipment, and the power control system must have a safe and reliable...[Details]
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Some time ago, when I was out shopping, I passed by a scrap collection station and saw an aunt dismantling parts from a machine. I didn't know what machine it was, but I suddenly saw her disma...[Details]
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After analyzing the USB bus driver in the previous chapter, let's start writing a USB driver: In this program: Use the left button of the USB mouse as the L button, the right button of the USB mous...[Details]
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#include
sbit BT_SND =P1^0;
sbit BT_REC =P1^1;
/**********************************************
IO port simulation 232 communication program
Use two methods of C program to occupy timer 0
...[Details]
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Gravimeter is a professional instrument used to measure gravity. Traditional gravimeters are bulky and have single functions. Although digital gravimeters have certain functional expansions, they are ...[Details]
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Template testing is very useful in reliability verification tests of electronic products. Monitoring the failure rate of waveforms for a long time and locating the cause based on the failure wavefor...[Details]
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No area of AC motors and other related shaft rotating applications across all industries has had a greater impact than AC drives. The drives’ ability to accurately control motor speed and torque,...[Details]
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On October 18, ASML released its third quarter financial report for 2023. In the third quarter of 2023, ASML achieved net sales of 6.7 billion euros, a gross profit margin of 51.9%, and a net profit ...[Details]
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Electromagnetic compatibility (EMC) refers to the ability of a device or system to operate in accordance with requirements in its electromagnetic environment and not to produce intolerable electromag...[Details]
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Everyone knows that electrical appliances will inevitably have some minor problems after being used for a long time, such as loose connections, poor contact and malfunction. If the appliance looks ...[Details]
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The highly integrated chip supports a variety of wireless technologies and the latest security standards, fully meeting the market's requirements for smart industry, medical equipment and consumer el...[Details]
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Let's continue to look at the domestic power battery industry structure. Ningwang and BYD continue to lead the way. Of course, due to the impact of the overall industry growth rate, the growth rate...[Details]
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