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Abstract:
In view of the widespread application of LED dot matrix display screens and the advantage of GPRS network nationwide coverage, a wireless LED display screen control system sol...[Details]
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introduction
Digital film refers to a film and television work that is filmed, produced, and stored using digital technology and equipment, and transmitted through physical media such as s...[Details]
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The s3c2440 has a total of 130 GPIO ports, divided into 9 groups, GPA ~ GPJ, controlled by registers. There are three types of registers that control the GPIO port of s3c2440, namely GPxCON, GPxDAT...[Details]
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1. Hardware circuit and principle To make the electric fan send out natural wind, it is necessary to change the strength of the fan, that is, to change the voltage and current of the fan motor, there...[Details]
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Following the successful launch of the 208 series intelligent nozzle inspection machine, Synergie has recently launched an intelligent nozzle inspection and cleaning all-in-one machine that integrate...[Details]
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1. Unified program structure
OB1: main program;
OB100: Initialization program (no need to call the main program);
OB35: 100ms (modifiable) interrupt (no need to call the main program...[Details]
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4. uCOS configuration uCOS is a scalable real-time operating system. It can tailor unused kernel functions according to actual applications to further save valuable system hardware resources. The com...[Details]
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O Introduction
LED display is a flat display screen composed of light-emitting diode dot matrix modules or pixel units. It has the advantages of high luminous efficiency, long service life, fle...[Details]
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Charging single-cell lithium-ion batteries, commonly found in portable devices such as cell phones, digital cameras (DSCs), and music players, has always been a challenging problem, as it is necessary...[Details]
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Since 1998, the LED display industry has been working hard to organize and establish LED display industry standards to correctly guide users to understand the performance indicators of LED displays...[Details]
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#include reg52.h typedef unsigned int u16; typedef unsigned char u8; sbit LSA=P2^2; sbit LSB=P2^3; sbit LSC=P2^4; void delay(u16 i) { while(i--); } u8 code smgduan ={0x3f,0x06,0x5b,0x4f,0x...[Details]
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Apple today released the latest 4C165 firmware update for AirPods 2, AirPods 3, AirPods Pro, and AirPods Max, according to MacRumors. AirPods 2 and AirPods Max were previously running firmware ...[Details]
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According to IT media reports, Xiaomi recently confirmed that it will enter the Japanese market. The official has not yet officially announced the time of entering the Japanese market and the launch ...[Details]
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Recently, the reporter learned from Jiangsu Haisida Energy Storage Technology Co., Ltd. that the company's 12GWh annual production of square lithium-ion batteries, the first phase of the 6GWh project,...[Details]
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After Apple suspended sales of its devices in Turkey earlier this week amid a plunge in the Turkish lira against the dollar and growing economic concerns, a new report has surfaced that Apple has res...[Details]
RF/Wirelessly
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