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With the completion of the construction of the atmospheric monitoring automation system, more and more automatic weather stations have been put into operation. At present, a large part of the automati...[Details]
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What is "LED double-sided flip"?
"LED two-sided flip" is also called LED flip screen or LED three-sided flip. It is a high-end outdoor advertising media that combines LED full-color screen and...[Details]
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SRAM Data Memory Figure 9 shows the organization of the ATtiny13 SRAM space. The first 160 data memories include the register file, I/O memory, and internal data SRAM. The first 32 addresses are th...[Details]
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As the group accelerates the pace of developing new productivity, sodium energy storage technology has ushered in a new breakthrough. Recently, the reporter learned from Huayang Shares' Hua Na Core...[Details]
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Recently, US prosecutors charged a Chinese professor with allegedly obtaining technology from a California company to benefit Huawei. Mao Bo is an associate professor at Xiamen University and becam...[Details]
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Industrial robots are robots that can automatically perform various industrial tasks. Their use can not only free workers from heavy or harmful physical labor and solve the current labor shortage p...[Details]
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Circuit diagram and troubleshooting experience of vehicle inverter 1. The main indicators of common vehicle inverter products on the market: input voltage: DC 10V~14.5V; output voltage: AC 200V~220V±...[Details]
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The function of the trigger source function block is mainly to use the selection of the trigger source switch and the channel selection switch to complete the selection of the trigger source of the ...[Details]
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At midnight on June 1, Tmall's 618 promotion officially kicked off, with major brands offering discounts and consumers rushing to buy their favorite products. Among them, Huami Technology, a well-kno...[Details]
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System service commands are saved in the /usr/etc/rc.local file of the development board's root file system. Some development boards automatically run graphical interface programs after booting up. Y...[Details]
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DC servo motor speed control principle
Schematic diagram of DC servo motor structure
1. The output electromagnetic torque of DC motor is expressed as:
2. There are tw...[Details]
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/*
char cabs(char val); // calculate the absolute value of val
int abs(int val);
long labs(long val);
float fabs(float val);
float sqrt(float val);
float exp(float val);
float log(float v...[Details]
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Preface:
At present, single-chip microcomputers are widely used in home appliances, industrial production and other fields. In order to meet the different requirements of different products fo...[Details]
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The comprehensive tester can test a full range of items, the contents are as follows: Pilot projects: 1) Current transformer ratio measurement 2) Polarity determination of current transformer 3) Seco...[Details]
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Most of the lighting lines in buildings nowadays are dark wires. If you use a 4-wire electronic switch to control these lights, you need to connect another power source and modify the line. This is...[Details]
Analog electronics
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