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September 30, 2022

Ke Jie's first game defeated AlphaGo technology giants

[Global Technology Reporter Li Wenyao] On May 23rd, Ke Jie, the world’s No. 1 player, was defeated by a quarter-of-a-quarter gap in the three-game match against Go’s artificial intelligence AlphaGo. After the match, Ke Jie said in an interview with reporters t

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September 30, 2022

Magnified field strength meter

Probe domestic high current needle 150 head diameter 3.0 thread needle high current needle total Field effect transistor Q1 acts as an RF amplifier to increase the sensitivity of a typical diode detector field meter. Water-cooled CapacitorWater-cooled ca

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September 30, 2022

Type and construction of electrical grounding

First, the type of building electrical grounding 1, lightning protection grounding Lightning protection grounding, as the name suggests, is to introduce the electric lightning generated by the lightning of nature into the earth, in order to prevent strong current damage to electrical equipment. D

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September 29, 2022

Jinling brand luxury ventilator circuit

A ventilating fan is a type of air conditioning device that is driven by an electric motor to drive the airflow to drive airflow to exchange indoor and outdoor air. Also known as the ventilation fan. The purpose of ventilation is to remove the dirty air inside the room and adjust the temperature,

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September 28, 2022

air switch

There are four types of air switches: 1P, 2P, 3P, and 4P. Select the appropriate one according to the power supply method. 1P is the single line, in fact, it refers to single phase, can only protect one fire line, suitable for lighting or low power 220V appliances; 2P is used for the connection o

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September 28, 2022

Prospect of rapid mold manufacturing technology

The key position of technology in the manufacturing industry, rapid development, especially the rapid development of metal mold technology development research is highly concerned, summarizing the key issues and development trends of the technology has the following characteristics: (1) The use ra

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September 28, 2022

Rock lantern circuit

As shown in the figure, the controller includes a step-down rectifier circuit, a 555 multi-vibrator, and a lantern control circuit for parallel control of 220V, 5W low-power lanterns or 6-12V small beads. 555 and D3, D4, RP1, C2 form an astable multivibrator, adjust RP1, change the charging and

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September 26, 2022

Mosquito repellent circuit

In the 555 oscillating circuit, adjusting R2 will provide an output frequency from below 200 Hz to above 62 Hz. Use a premium microspeaker to generate frequencies in 20 kHz order. 1.50mm Wire To Board Connectors 1.50mm Wire To Board Connectors:Line to board has rubber shell, ter

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