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Preface, In the HAL library, many callback functions are preceded by the __weak modifier. As the name implies, weak means "weak", so if the __weak modifier is added before the function name, we ...[Details]
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The voltage-controlled switching power supply is a single-loop automatic control system. Figure 1 (a) shows its block diagram. The main circuit of the switching power supply is powered by the recti...[Details]
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State Grid Corporation of China recently revealed that in 2019, the company optimized the operation mode, accelerated the construction of reinforcement projects, and promoted the role of supporting...[Details]
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The reset circuit is used to restart the module and initialize it. One end of the push switch SW1 is grounded, and the other end is connected to the RESET_N pin of the CC2530 chip. Pressing the pus...[Details]
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1. Introduction
This design uses the AT89S52 microcontroller and 1602 LCD to display the calendar (year, month, day), week and time. The specific effects are:
2011-11-11 FRI
11:11:11
2. De...[Details]
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In recent years, smart wearable devices have been widely used in the fields of medical, military, aerospace, etc. With the continuous advancement of smart textile technology, wearable devices have ...[Details]
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Inductive communication is to modulate the data to be transmitted through low-frequency carrier, amplify the signal, and amplify the power, so as to generate a certain alternating current in the tran...[Details]
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0 Introduction
CS5460A is an integrated chip for measuring voltage, current, power and energy launched by Crystal Corporation of the United States. The main features of this chip are high ...[Details]
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Timer/Counter Application Range The timer/counter is an important component of the single-chip microcomputer system. It has flexible working mode, simple programming and convenient use. It can be use...[Details]
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Intrinsically safe
power supply
is an important part of intrinsically safe electrical equipment. Due to the mechanization of coal mines, the power supply, communication and alarm of underg...[Details]
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introduction
Currently, most PLC manufacturers only launch redundant PLCs in large PLC systems, but not in small PLC systems, and large redundant PLC systems are expensive.
As the r...[Details]
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The doctrine of the mean that runs through the 5,000-year history of Chinese civilization emphasizes the pursuit of perfection on the basis of balanced development. Any new technological breakthrou...[Details]
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Foreign media 9to5 Google reported that for many years, the Android system has supported the practical function of installing system updates in the background, and only a quick restart is require...[Details]
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Synaptics automotive haptic technology door handles can recognize fingerprints
Nowadays, many technology companies regard the automotive field as one of the future development directions. Wi...[Details]
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Recently, the geotechnical survey project of the Hebei Chicheng Gravity Energy Storage Pilot Demonstration Project undertaken by the 517th Team of the Tianjin North China Geological Survey Bureau was ...[Details]
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