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There are two ways to save energy in DC regulated power supplies. The first and most direct way to save energy is to improve the efficiency of the rectifier. From the emergence of switching power su...[Details]
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STM8L_5_TIMER: 1.User: Project and main files 2.Hardware:TIMER,CLK,LED,Delay 3.STM8L15x_StdPeriph_Driver: STM8 comes with library files 4.Debug: The hex file is stored in the EXE folder 5.Function: T...[Details]
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PLC is a programmable controller, which is one of the must-learn equipment for electrical engineers. So as a novice, how should I learn PLC programming? Which aspects should I start with? Let's tal...[Details]
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This document is a summary of my experience in making a low-power project with sleep + RTC wakeup. Please point out any discrepancies. STM32L provides 5 low-power modes: low-power run mode, sleep...[Details]
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In the process of circuit testing, it is often encountered that there is a large error between the experimental data and the theoretical value due to the neglect of the influence of some small resi...[Details]
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In recent years, with the development of military science and technology, the structure of weapons and equipment has become more and more complex. In order to ensure the safety and reliability of w...[Details]
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Industrial sites often need to collect multi-point data, analog signals or switch signals. Generally, RS485 bus is used, using a master-slave communication method. This method is ...[Details]
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Apple continues to dominate the North American wearables market, with analysts revealing that the Apple Watch helped drive a 32% increase in Apple shipments last quarter over the same period last yea...[Details]
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Due to various objective and subjective reasons, errors are bound to exist in any measurement process. According to the nature and causes of measurement errors, measurement errors are divided into t...[Details]
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For many people, smartphones have become a part of daily life. As WeChat founder Zhang Xiaolong said: mobile phones have become an extension of human limbs. It is no exaggeration to say that except f...[Details]
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1. Millisecond delay Delay 1ms; void delay_1ms(void) { unsigned int i; for(i=1;i (unsigned int)(xtal*143-2_;i++) ; } In the above formula, xtal is the crystal frequency in MHz. When the crystal frequ...[Details]
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An electrolytic capacitor is a capacitor composed of two parallel metal plates and an electrolytic capacitor placed between the two metal plates. Electrolytic capacitors play the role of power supply...[Details]
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/****************************************************** **************************** * * Software function: timer interrupt experiment * *************************************************...[Details]
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void NAND_Init() { *(unsigned int *)(0x20030000 + 0xd0) = 7; delay_x(0X5000); *(unsigned int *)(0x20030000 + 0xd0) = 6; delay_x(0X5000); *(unsigned int *)( 0x200f0000 + 0x1fc) = 0; //muxctrl...[Details]
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The insulation withstand voltage tester is a commonly used measuring instrument, which is mainly used to perform insulation strength tests under specified voltage on various electrical products, elect...[Details]