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Recently, Shi Kan, CEO of Cognitive Group, was invited to attend the 2020 Tencent Advertising Tech Vision Marketing Technology Conference and delivered a speech entitled "Data-based Applications unde...[Details]
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In 485 communication, in order to facilitate testing, a test quantity was added to the front end of the 485 chip, but TTL was used for direct communication. However, in the actual PCB test, if the P5...[Details]
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The 81C3 and 81L3 50μA magnetoelectric microammeters are commonly used by amateur electronics enthusiasts. What is the internal resistance of the meter? How to measure it?
Since there are many factor...[Details]
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On April 21, according to Android Police, many people have recently reported that Google Pixel phones often become unresponsive when running some apps. The report pointed out that this is a b...[Details]
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1. LED chip inspection Microscopic inspection: whether there are mechanical damages and pits on the surface of the material; whether the size of the Lockhill chip and the electrode size meet the proc...[Details]
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PIC16F877A type single chip microcomputer controls ordinary relays > controls AC contactors. The idea of this process is: the single chip microcomputer gives a control signal to the ordinary re...[Details]
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China Energy Storage Network News
: On December 12, the Yinchuan Urban Energy Internet Comprehensive Demonstration Project of State Grid Ningxia Electric Power Co., Ltd. - the 110 kV Fengdeng...[Details]
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1 Introduction
Temperature is an important parameter to characterize the environment. In the field of engineering, especially engineering thermodynamics, temperature detection is very common, and ...[Details]
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The latest research report released by Strategy Analytics pointed out that in Q2 2019, India's smartphone shipments grew 3% year-on-year to 35.6 million units. Xiaomi still ranked first, but the reco...[Details]
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These are the parameters I have adjusted slowly. Errors are inevitable, unless assembly is used, it will be accurate. I will update and modify them later to make them as accurate as possible.
Debuggi...[Details]
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1. Introduction
With the continuous development of automotive electronic technology, the anti-lock braking system (ABS) is an important part of the modern automobile safety system. The stabili...[Details]
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According to Jiwei.com, the U.S. government is negotiating with Intel and TSMC about building factories in the U.S. TSMC said that it is continuously evaluating the establishment of factories oversea...[Details]
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Definition of equivalent salt density of insulator: The equivalent of soluble salt in the dirt attached to the surface of the insulator is the distribution density of NaCl mass, and the unit is mg/...[Details]
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1. External interrupt 0, 1; caused by the level signals of pins /INT0, /INT1 respectively. 2. Timer/ Counter 0, 1; caused by the overflow of T0, T1 respectively. 3. Serial port sending, receiving...[Details]
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Core Tips This year, Chaoyang Beipiao Economic Development Zone has continuously accelerated investment promotion to seek breakthroughs, stepped up project construction to expand investment, grasped t...[Details]
Power technology
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