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Recently, an investor asked Jingce Electronics on an interactive platform, "How is the company's progress in expanding the new energy testing market? Has it entered the supply chain of CATL or other ...[Details]
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1 Introduction Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in the medium, so they are used for distance measurement. Ultrasonic detectio...[Details]
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The difference between ordinary power inductors and high current inductors
Chip inductors have the following characteristics: 1. Flat bottom surface suitable for surface mounting.
2. E...[Details]
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Since April this year, the urgent shortage of raw materials such as chips and IGBTs has made domestic inverter manufacturers strong sellers. Some buyers have recently been purchasing at companies a...[Details]
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As a high-quality digital multimedia player and high-performance network information terminal, high-definition digital TV technology based on embedded systems will be a hot spot in the next genera...[Details]
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Light Emitting Diodes, commonly called LEDs, are just tiny light bulbs. But unlike common incandescent bulbs, LEDs have no filaments and don't get particularly hot; they simply emit light from the ...[Details]
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System diagnostics using process image input
In addition to event-driven system diagnostics, the input and output modules of the SIMATIC range also provide diagnostic information via process i...[Details]
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//PIC 16C72 MCU controls HT1621B to drive LCD #include pic.h #define BIAS 0X50 //1/2 bias, 4 back pole #define RC256 0X30 //System clock selects the on-chip RC oscillator #define WDTDIS1 0X0A //...[Details]
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On March 25, State Grid Corporation of China held the first meeting of the Science and Technology Leadership Group in 2020 to thoroughly study and implement the important expositions of General Sec...[Details]
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1. Potential Crisis 1. When designing serial port programming in uc/os operating system, the situation is complicated because ISR and multiple tasks are executed concurrently. Especially when the rec...[Details]
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1. Because I accidentally failed to flash Android 2.3 with fastboot, the development board was bricked. Later, I flashed Android 4.0.4 back through USB with dnw tool. The summary is as follows:
...[Details]
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The 2019 Asia Consumer Electronics Show opened in Shanghai today. 5G, artificial intelligence, AR/VR, and autonomous driving are still the highlights of this year's show. Shao Yang, Chief Strat...[Details]
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Introduction: IEEE 1149.1 boundary scan test standard (commonly referred to as JTAG, 1149.1 or "dot 1") is an industry standard method for testing the characteristics of complex ICs and circuit boa...[Details]
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Recently, the State Council issued the "14th Five-Year Plan for National Intellectual Property Protection and Utilization" (hereinafter referred to as the "Plan"), which clarified the guiding ideolog...[Details]
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#include
#define LongToBin(n) \
(\
((n 21) & 0x80) | \
((n 18) & 0x40) | \
((n 15) & 0x20) | \
((n 12) & 0x10) | \
((n 9) & 0x08) | \
((n 6) & 0x04) | \
((n 3) & 0x02) | \
((n ) & 0x...[Details]