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Taking the single-chip microcomputer AT89C51 as the control core, the semiconductor refrigeration technology is introduced into the LED heat dissipation research. The PID algorithm and PWM modulation...[Details]
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At present, many manufacturers have changed the concept when promoting their products. They call it LED display when it is LED backlight display. In fact, LED display and current LED backlight disp...[Details]
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PIC microcontroller (Peripheral Interface Controller) is an integrated circuit (IC) used to develop and control peripheral devices. Now the application field of PIC microcontroller is quite extensi...[Details]
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1. The advantages of LED lighting are:
First, as a point light source, if the design is reasonable, LED can directly solve the secondary light collection and light loss problems that traditional...[Details]
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The hardware circuit design of a single-chip microcomputer application system includes two parts: one is system expansion, that is, when the functional units inside the single-chip microcomputer, s...[Details]
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Decision of the State Council on Temporarily Adjusting the Provisions of Relevant Administrative Regulations, State Council Documents and Departmental Regulations Approved by the State Council in P...[Details]
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The basic principle of DDS is to use the sampling theorem to generate waveforms through table lookup. There are many types of DDS structures, and its basic circuit principle can be represented by Fig...[Details]
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DC-compatible current transformers have long been used to sense AC current in smart meters, but they have some disadvantages and are expensive. For some applications, shunt resistors are a better c...[Details]
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In the electronic simulation software MultiSIM, in addition to the virtual dual-trace oscilloscope and virtual quad-trace oscilloscope, there are two high-performance advanced oscilloscopes, namely...[Details]
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On September 15, Zhiji Auto announced new progress in the IM AD high-speed elevated NOA layout. All high-speed elevated NOAs within the Fifth Ring Road are now open, and the official version is expec...[Details]
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0 Preface Nowadays, in school dormitories, accidents such as students’ valuables being stolen and fires caused by students’ mistakes often occur. These are “big problems” that have been plaguing stud...[Details]
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On the evening of March 1, Jingrui Co., Ltd. issued an announcement stating that the company's wholly-owned subsidiary Shanfeng Investment acquired 100% of the equity of Jingzhirui Suzhou held by Jin...[Details]
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DS18B20 single bus multi-point temperature measurement, the program realizes single bus two-point temperature measurement and 1602 display by matching the 64-bit ROM address. This program needs to kno...[Details]
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There are several methods for allocating space for variables in C51. 1. The data area has a small space, so only variables that are frequently used or require high computing speed are placed in the d...[Details]
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Let's take a look at the ARM storage system:
It can be seen that the fastest are the processor and internal registers, which are few in number and very expensive. Next is TCM tightly cou...[Details]
MEMS sensors
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