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The 89C51 chip does not have its own PWM generator. If you want to use 51 to generate PWM waves, you must use software programming to simulate it. Methods can be roughly divided into two methods: sof...[Details]
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1. What is a watchdog?
Watchdog, the Chinese name is "watchdog", the full name is watchdog timer. From the literal meaning, we can know that it is actually a timer. However, it is different from th...[Details]
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According to information on June 7, Huawei's Hongmeng system has passed the trademark certification of the State Administration of Industry and Commerce and the European Intellectual Property Office....[Details]
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On June 27, SEMICON China 2020 officially opened in Shanghai. This is the first exhibition of China's semiconductor industry since the outbreak of the epidemic this year. The guests at the conference...[Details]
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SF6 trace moisture tester operation method 1. First, turn on the power and allow the instrument to perform self-calibration (perform ventilation test after 5 minutes). 2. Close the flow regulating va...[Details]
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1. Extended keyboard circuit
AT89C2051 is a 20-pin 8-bit single-chip microcomputer produced by ATMEL in the United States using CMOS technology. It has 2k bytes of flash ROM and 128 bytes of on...[Details]
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Technology collaboration will accelerate development of next-generation vehicles worldwide
September 11, 2023, Taipei, China - Inventec
, a global high-performance server manufac...[Details]
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In a single-chip microcomputer system, the program is usually stored in flash, and the data that is not easy to lose is usually stored in EEROM (such as the AT24C02, AT24C256 that we often use). It i...[Details]
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OTDR detects and analyzes the signals returned by Fresnel reflection and Rayleigh scattering. OLTS test loss is like this: I sent 100 photons at the beginning of the link, and only received 20 photon...[Details]
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The space restrictions on handheld product structures are increasing, speakers are getting smaller, and the required sound is getting louder. Suppressing various noises and echoes (linear and nonli...[Details]
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According to foreign media reports, Japan's TOPS company has launched a "Neon Genesis Evangelion" themed USB hub, which adopts the design of EVANGELION Unit-01. The product has a beautiful shape ...[Details]
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Working principle of the circuit: The flash circuit consists of three parts. The first part is the power supply During the day, two 1.6 V solar cells charge two AA batteries through VD, and at night...[Details]
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On July 21, DxOMark announced that it will soon announce the camera score of the Redmi K30 Pro zoom version. As early as March when the Redmi K30 Pro was released, Lu Weibing, President of X...[Details]
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On July 30, TCL Technology stated on its investor interaction platform that the company has established TCL Microchip Technology (Guangdong) Co., Ltd. (hereinafter referred to as "TCL Microchip") as ...[Details]
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As the application environment requirements continue to improve, there are more expectations for the cable itself. In this issue, L-com will introduce in detail a particularly powerful cable - drag c...[Details]