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China News Service reporters learned from the Purple Mountain Observatory of the Chinese Academy of Sciences on the 13th that during China’s 39th Antarctic scientific expedition, the station took the...[Details]
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#include "regs.h" void enable_mmu(unsigned long ttb); void init_ttb(unsigned long *ttb_base); void mmap(unsigned long *ttb_base, unsigned long va, unsigned long pa); void memset(char *buf, char ch, i...[Details]
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According to computerbase, information released on Intel's recruitment platform in Costa Rica shows that the company may restart the Costa Rican factory that was closed in 2014. It is understood th...[Details]
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By Jim Turley “One of the keys to happiness is a bad memory.” – Rita Mae Brown A few years ago, you designed a nice microcontroller-based system, it sold well, and thousands of products are alrea...[Details]
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The circuit of this device is shown in the figure. The AC voltage output by the magneto is rectified by diodes D1~D6 and becomes a pulsating DC voltage, which is output in two ways. One way is a ...[Details]
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OFweek Cup · OFweek 2023 China
Robot
Industry Annual Selection (abbreviated as OFweek Robot Awards 2023) is jointly organized by OFweek, China's high-tech industry portal, and its authorita...[Details]
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Oscilloscopes are the right-hand man of our electronic engineers. Playing with oscilloscopes well is one of our essential skills. As for probes, we often use them to measure physical quantities such ...[Details]
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Abstract: AT90S1200 is a RISC microcontroller launched by ATMEL. It combines the advantages of PIC and 8051 microcontrollers with its own Flash technology. This article introduces the applicatio...[Details]
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The microcoulomb titrator is based on the microcoulomb principle. Various forms of sulfur (chlorine) in the sample are converted into sulfur dioxide (all converted into HCl) in nitrogen and oxygen at...[Details]
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On November 29th local time, Matthew Hill of Monash University received the Solomon Award in recognition of his development of "magic crystals", which have dozens of applications from cleaning gases ...[Details]
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When we were investigating the level of informatization in the traditional medical industry, we often found such phenomena. Since medical staff often work on the move, when we called their landline...[Details]
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STMicroelectronics Boosts Creativity of Sensor Application Developers with New All-in-One MEMS Studio Desktop Software Solution
Easy-to-use, efficient all-in-one sensor development t...[Details]
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Experiment 1: Write the number of key presses into 24C04 and read it out and display it on 4 LEDs.
program:
//Write the number of key presses into 24C04 and read it out and display it on 4 LEDs...[Details]
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Abstract: Taking the MCS51 series of single-chip microcomputers as an example, this paper introduces a high-speed control scheme for large-screen LED display screens using single-chip microcomputer...[Details]
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1. The implementation principle of LED driver:
The conductivity of the transistor is controlled by the high and low levels of the GPC0_3 and GPC0_4 pins, thereby controlling the on and off of ...[Details]