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1.lcd_4.3.c First, we assign initial values to the parameters required by the LCD according to the chip manual. #define LCD_FB_BASE 0x33c00000 lcd_params lcd_4_3_params = { .name = "lcd_4.3" ...[Details]
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When
white LEDs
are operated at 100°C, their
luminous efficiency
only decreases by about 3%. The requirement for white
LEDs
to have "temperature stability" is to prevent the luminous e...[Details]
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An effective harmonic suppression solution
A Kind of Effective Plan to Restrain Harmonic
In the power grid, there are a large number of nonlinear loads, which cause the grid curr...[Details]
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On the morning of May 31, Apple tried to dismiss the antitrust lawsuit filed by the jailbreak software Cydia, but was rejected by the judge. This means that the founder of Cydia can continue to ...[Details]
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On May 12, the China Brand Day series of activities entered its third day. Although it was a weekend, the venues were still crowded with visitors. In the Sichuan Pavilion, an energy storage dev...[Details]
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1 Can we expect the spring of hybrid vehicles? Subsidies for new energy vehicles have begun to decline, and there is even a trend of being completely cancelled. The country's support for pure ele...[Details]
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#include
#include intrins.h
/*************************************Port definition************************************/
sbit sclk = P3^4;
sbit io= P3^3;
sbit rst= P3^5;
sbit rs=P1^0;
sbit en=P...[Details]
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Let me first state the conclusion. Just add a pair of parentheses to the if statement. The specific debugging process is as follows: The compiler version I used is MPLAB X IDE v4.15, and the microc...[Details]
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1 Introduction In the process of R&D and production of radio frequency products, it is often necessary to perform spectrum analysis of radio frequency signals, signal demodulation analysis, receiving...[Details]
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With the continuous emergence of new audio-visual equipment, the task of reading the circuit diagram of the whole machine and parts has increased. The structure of the circuit diagram of the laser...[Details]
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The previous article systematically talked about the classification of communication, including parallel communication and serial communication. The classification of serial communication includes sy...[Details]
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Encoder classification: According to the working principle: photoelectric, magnetoelectric and contact brush type According to the hole engraving method of the code disk: incremental and absolute ...[Details]
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On October 18, the Chengdu Municipal Bureau of Economy and Information Technology issued the “Implementation Rules for Chengdu’s Policy Measures to Optimize Energy Structure and Promote Urban Green...[Details]
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The National Energy Administration vigorously advocates the construction of green new energy. Major energy companies actively respond to the call of the country's new energy construction and acce...[Details]
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1. The problem is caused by abnormal power supply: 01. Check whether the power supply is working properly and whether the indicator light is on. If not, please check whether the power supply is c...[Details]