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There are several programmatic ways to get the time:
1
#include stdio.h
#include time.h
main(){
time_t t;
struct tm *p;
time(&t);
p=gmtime(&t);
printf("Year :%d\n",1900+p- tm_year);
printf(...[Details]
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In the process of learning PLC, in addition to mastering the necessary basic theoretical knowledge, you also need to personally design circuits to practice. When you first start learning PLC progra...[Details]
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Hall current sensors for power management
FIG44 shows a schematic diagram of a current sensor for power management. In the figure, 12 is a current-carrying conductor, 11 is a magnetic material stri...[Details]
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With the continuous improvement of the automation technology level of the domestic water supply industry and the requirements of trade settlement measurement, electromagnetic flowmeters have been incr...[Details]
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introduction
Photoelectric shaft angle encoder, also known as photoelectric angle position sensor, is a precision digital angle measuring device integrating optics, machinery and electrici...[Details]
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Wolfson Microelectronics plc, a global leading supplier of mixed-signal semiconductor devices and audio solutions for consumer electronics, and Elliptic Labs, a leading supplier of ultrasonic touch...[Details]
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In addition to meeting safety requirements, the LED drive circuit should have two other basic functions. First, it should maintain constant current characteristics as much as possible, especially ...[Details]
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Three years ago, Luxshow Technology initiated an acquisition plan to acquire 100% of the equity of Shanghai Zhengyun New Energy Technology Co., Ltd. (hereinafter referred to as "Shanghai Zhengyun") f...[Details]
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Failure Mode and Effects Analysis (DFMEA) plays a very important role in the automotive industry. In the process of automotive design and manufacturing, DFMEA is widely used to identify and manage ...[Details]
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The rightmost end of the above figure is the I/O pin, and the device on the left is inside the chip. Two diodes are connected in parallel to the I/O for protection. Note: Some of the pictures...[Details]
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The most dazzling domestic tablet in recent times is the Blue Magic W10, which is equipped with a brand new Cortex-A9 processor and 512MB of RAM, and its performance completely ex...[Details]
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Optical
Sensor
is a device that converts light signals into electrical signals. It plays a vital role in automated production. With its excellent performance and wide applicability, Leuze o...[Details]
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.In order to ensure the quality of the intelligent high-frequency switching power supply system, we organized a number of technical personnel to inspect multiple manufacturers to understand the manu...[Details]
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The automobile industry has become one of the pillar industries that promote the development of the national economy and plays an important role in the national economic and social development. Tod...[Details]
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The voltage-frequency converter can be constructed by using only the voltage-controlled oscillator in the phase-locked loop. The characteristic of the circuit is that when the 12th pin is suspended a...[Details]