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Many people have asked me about the protection of low battery
voltage
. Today I designed a battery power shortage protection
circuit
for everyone
. The manual switch is a hiccup prot...[Details]
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A digital multimeter (DMM) is a measuring instrument that uses the principle of analog/digital conversion to convert the measured value into a digital quantity and displays the measurement result in...[Details]
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At present, there are two main types of display screens according to the data transmission method: one is a real-time video screen that displays the same content as the computer; the other is an indep...[Details]
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With the deepening of energy crisis and environmental pollution, the research and utilization of solar energy has received widespread attention. Solar energy is an inexhaustible renewable energy so...[Details]
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1 Introduction
In the design of RF amplifier circuits, the problem of input and output impedance matching is generally involved, and the design of the matching network is the key to solving the probl...[Details]
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The synchronous RS flip-flop composed of NAND gates is shown in Figure 13-5(a), and its logic symbol is shown in Figure 13-5(b). In the figure, gates A and B constitute the basic flip-flop, and ga...[Details]
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The air-conditioning industry is under pressure to move forward with innovation and digital transformation to enable future development On August 28, 2020, the "New Wind-driven Pattern Who Shapes t...[Details]
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Intel's six technology pillars drive all-round computing innovation and lead the era of "hyper-heterogeneous computing" The 2019 Intel China Media Sharing Conference was held today with the theme...[Details]
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•DRAM: Its basic components are small capacitors that can hold charge on two plates, but need to be recharged (refreshed) regularly, otherwise the data will be lost. Disadvantages: Slow access spee...[Details]
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Most drivers must have encountered the problem shown in the following figure. Under extreme weather conditions (such as precipitation, snow, etc.), driving vision is inevitably affected, especially w...[Details]
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When it comes to variable frequency motor control, we have to talk about Fujitsu Semiconductor's technology and products. The variable frequency solution developed by Fujitsu Semiconductor uses vari...[Details]
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As a revolutionary environmentally friendly energy-saving lamp, LED energy-saving lamp has changed the pollution problem of heavy metal toxins in previous energy-saving lamps, and has a longer se...[Details]
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When SM2..0 is 010, the SLEEP instruction puts the MCU into power-down mode. In this mode, the external crystal stops oscillating, while the external interrupt, two-wire serial address match, and wat...[Details]
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Program source code download address: http://www.51hei.com/f/1320dsf.rar
#include reg52.h
#define uchar unsigned char
#define uint unsigned int
uchar code tab1 ="DS1302";
uchar code tab2...[Details]
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Adjustable voltage stabilized power supply simply means that the output voltage is adjustable, and after adjusting to an output value, the output is stable when the input power and voltage fluctuatio...[Details]