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Handheld laser
Laser diode TOLD9200 is used as the laser light source, Q3, Q2 and S1 form a touch switch to control the laser, L1 is a radio frequency coupling coil that obtains energy from an R...[Details]
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Specific implementation functions The system consists of DS18B20 temperature sensor + MQ-2 smoke sensor + HC-SR501 human infrared module + SIM800C GSM module + LCD1602 display. (1) It can detect am...[Details]
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Let's first briefly introduce the operating principle of LCD. As shown in the LCD schematic diagram below, each dot in it is a pixel. Imagine an electron gun that emits light of various colors as i...[Details]
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/*--------------------------File Description---------------------------------- File usage: TWI/I2C driver, query mode, host mode Instructions: Call the last 6 API application program interface fu...[Details]
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With the rapid development of science and technology, the application of intelligent devices has covered all walks of life. In family life, there is basically no sign of waste for air conditioners...[Details]
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According to new research from IDTechEx, the global plug-in electric vehicle (EV) population reached 7.5 million vehicles (including light commercial vehicles) by the end of 2019.
The Electric...[Details]
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The hardness of aluminum profiles is generally tested with a Webster hardness tester. The national standard GB5237-2004 stipulates that the hardness of 6063 aluminum profiles should be greater than 8H...[Details]
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It’s the end of another year. What major events have happened in the semiconductor industry this year? Let’s follow the editor’s review together! January On January 25, the U.S. House of Repr...[Details]
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Program function: The first three digits of the digital tube display a stopwatch, which runs from 000 to 999 at a speed of 1% per second. When an independent key is pressed, the stopwatch stops, and ...[Details]
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"The pine oil lamp is retired"
——State Grid Tibet Power helps the snowy plateau win the battle against poverty
"We have clearly defined the work ideas and plans to fully serve the fight a...[Details]
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Many people have the habit of using different charging heads to charge their mobile phones, but they don’t know that doing so will damage the battery of the mobile phone. Recently, China Mobile Termi...[Details]
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Shanghai, China, July 16, 2024
Universal Robots (UR), a global collaborative robot manufacturer, has announced that the number of products in the UR+ ecosystem has exceeded 500, markin...[Details]
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In 1946, the first computer ENIAC was born, and von Neumann proposed the classic von Neumann architecture. Since then, computer storage and processing technology has continued to evolve in the past e...[Details]
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0 Introduction
The single-chip microcomputer data acquisition system refers to a system that uses a single-chip microcomputer to collect, store, display and transmit various signals on sit...[Details]
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On October 31, Zeekr Energy announced that it had successfully obtained the qualification of a virtual power plant aggregator in Shenzhen, marking the company's official entry into the Shenzhen vir...[Details]
Power technology
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