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Introduction: PWM may be familiar and unfamiliar to many software engineers. Take PWM to adjust LED brightness as an example. Its essence is to cut corners in each cycle, and the overall effect of LE...[Details]
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introduction
Digital signal processors (DSP) are increasingly used in various fields, among which TI (TEXAS INSTRUMENT)'s TMS320 series chips have taken a leading position. TMS320F206 (F20...[Details]
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On November 22, 2019, Intel China released its 2018-2019 Corporate Social Responsibility Report. Intel China has proactively released this transparent annual report every year since 2009, which ...[Details]
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With the popularity of smartphones and tablets and the high power consumption that comes with them, the batteries of such devices can only last for one day of use. More and more occasions and devic...[Details]
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Mobile phones
produced by regular manufacturers
have several sets of codes. On
the back of
the mobile phone
, remove
the battery
and you can see that there are several sets of codes, ...[Details]
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LEDs require a circuit driver to convert the standard AC voltage into a usable DC current and voltage.
To make LED bulbs compatible with standard sockets without sacrificing their operating lif...[Details]
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Daily maintenance of oil pump motor
1. Add grease frequently. The electric oil drum pump runs at high speed and the grease is easy to evaporate. Therefore, the lubrication at the bearing must ...[Details]
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#include
#define uchar unsigned char
#define uint unsigned int
#define ulong unsigned long
sbit BEEP=P2^0; //speaker output pin
uchar th0_f; //The upper 8 bits of the value of T0 loaded in t...[Details]
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1. The microcontroller can only receive 1 byte each time, but the speed of the serial port is too low, usually below 115200bps (even if the synchronization method is used, it can only reach 1Mbps)....[Details]
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In the high-end market, Samsung has launched the Galaxy S/Note series and Galaxy Z foldable screen series, which are loaded with all kinds of latest technologies and functions. In the mid-end market,...[Details]
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Background: On July 5, the "Gas Industry NB-IoT Application Professional Forum" jointly organized by Global Meter, Xi'an Permite Technology, and China NB-IoT Industry Alliance was grandly held in Xi'...[Details]
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Waveform reconstruction filtering is used to "insert" mathematical operation points between two actual data sampling points. The inserted data points can improve the waveform measurement accuracy und...[Details]
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0 Introduction
Windows CE.NET is a preemptive multitasking Windows 32-bit embedded operating system with powerful communication capabilities. It is a strategic operating system product designe...[Details]
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environment: Host: WIN8 Development environment: MDK5.13 emwin version: STemWinLibrary522 mcu: stm32f407VGT6 Development board: Anfulai STM32-X3 TFT model: Ailan 2.8-inch TFT, main control chip: ILI9...[Details]
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There are significant differences between the 6410 DMA controller and the 2440 DMA controller.
DMA operation steps in S3C6410:
1. Decide whether to use secure DMAC (SDMAC) or general DMAC...[Details]
Microcontroller MCU
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