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On the afternoon of October 12, the Shanghai Industry Association held the fifth meeting of the second member conference and the eighth meeting of the second board of directors.
At this member...[Details]
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#include "N76E003.h" #include "Common.h" #include "Delay.h" #include "SFR_Macro.h" #include "Function_define.h" #include "math.h" #include "oledfont.h" #define u8 unsigned char #define u32 unsi...[Details]
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The main functions of LED driver circuit
The LED drive circuit should ensure the constant current working characteristics of the LED, especially when the power supply voltage changes, it can s...[Details]
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1 Introduction
At present, most large-scale LED display systems at home and abroad are basically composed of an LED control board and several LED unit boards connected in series.
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Recently, the US Foreign Investment Committee completed its review of Infineon's acquisition of Cypress Semiconductor, and the committee determined that the $10 billion (about 69.5 billion yuan) tran...[Details]
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The development of high-
power
LEDs
has always been aimed at lighting applications. Although it is generally believed that there is still a certain threshold for LEDs to enter the gen...[Details]
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3G base stations, whether CDMA2000 1x, EV-DO, WCDMA, or TD-SCDMA, all use more complex wireless technologies, such as code division multiple access, complex modulation, and precise power control. TD-...[Details]
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Introduction to Floating Point Unit (FPU)
Float Point Unit is a coprocessor dedicated to floating point operations. Float Point Unit is commonly used in computing fields such as trigonometric functio...[Details]
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At the 2021 National Industrial and Information Technology Work Conference held on December 28, 2020, Minister of Industry and Information Technology Xiao Yaqing stated that in 2021, 5G coverage in m...[Details]
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The main technical parameters of the soft starter are as follows:
1. Rated voltage: The soft starter can be used for a variety of power supply voltages, such as 220V, 380V, 660V, 1140V, etc., ...[Details]
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On August 16, data from market research firm Rho Motion showed that although the growth of the electric vehicle industry slowed down at the beginning of this year, global sales of electric vehicles...[Details]
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Henan Government Office No. 30
The People's Governments of all provincial cities, the Jiyuan Demonstration Zone Management Committee, the People's Governments of all provincially-administered...[Details]
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This detection equipment PM2.5 environmental monitoring system is inexpensive and can solve the problem of capital investment. In the monitoring area, the PM2.5 detection of each node is composed o...[Details]
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first, typedef struct { vu32 CRL; vu32 CRH; vu32 IDR; vu32 ODR; vu32 BSRR; vu32 BRR; vu32 LCKR; } GPIO_TypeDef; The BSRR and BRR registers are 32 bits. Compare: 1) Set a bit in the low...[Details]
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Capacitive sensors have been widely used in industry, medicine, military and other fields. However, most of the current capacitance measurement methods have low integration level and low precision,...[Details]
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