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Opening remarks:
The previous section talked about the single trigger of the matrix keyboard. This section will teach you how to compress the key scanning program in the previous section without chan...[Details]
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First of all, let's make it clear that zero IF can be said to be a technology, which leads to zero IF circuit, and then leads to the signal from zero IF circuit (zero IF signal I, Q)
1. The dev...[Details]
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The touch screen has become a widely used input . This example first introduces the structure and working principle of the four-wire resistive touch screen, and then introduces how the S3C2440A reads...[Details]
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In recent years, the application areas of high-brightness LEDs have continued to increase, covering a range from mobile device backlighting, medium and large-sized LCD backlighting, automotive interio...[Details]
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1 Introduction With the improvement of environmental protection and fire protection requirements, diesel generators are gradually losing their advantages. However, due to the mature development ...[Details]
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The transmit power test requires BK24x1 to output a single carrier signal. For register settings, refer to the Carrier_Test() function in reference document or use the Demo software in reference...[Details]
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As MediaTek and Qualcomm have successively released their own 4nm process chips: Dimensity 9000 and Snapdragon 8 Gen 1, Samsung is also about to bring its first 4nm process chip "Exynos 2200". Howeve...[Details]
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Linear Technology Corporation introduces the LTC3105, a high performance, synchronous
boost converter
that includes maximum power point control (MPPC) and starts up from inputs as low as ...[Details]
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1. Control system
1. The whole screen is not lit or squares appear.
Is the control host turned on
? Is the communication line plugged in?
Is the sending card plugged in
? Is the...[Details]
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Abstract: A new programmable radio remote control multi-way switch system is designed. The system uses Si4010 as the core transmitting unit, Si4313 and C8051F920 microcontrollers as the core receiv...[Details]
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introduction
The traditional method is to use a video capture card (such as 1394) to capture the video signal and use the corresponding software to transfer it to the PC, which is neithe...[Details]
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ST's library function for relocating the vector table: void NVIC_SetVectorTable(uint32_t NVIC_VectTab, uint32_t Offset) { assert_param(IS_NVIC_VECTTAB(NVIC_VectTab)); assert_param(IS_NVIC_OFFS...[Details]
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1. Introduction
A 28V/100A three-phase power supply switching power supply was developed for auxiliary operation training of a certain military equipment, and its working performance was good...[Details]
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Five winners received development kits to implement their inventions—from sustainable wind power generation and wildfire monitoring to addressing sleep apnea and combating mosquito-borne illnesses—t...[Details]
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When porting QT4.5 to mini2440, I encountered the problem of displaying Chinese in QT. Based on the information searched on the Internet, the solution is summarized as follows:
Step 1: Dow...[Details]
Making friends through disassembly
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