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In recent years, intelligent communities have developed rapidly, and computer automatic meter reading systems, as an important part of intelligent communities, have also been widely used. The automat...[Details]
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Dual Tone Multi-Frequency (DTMF) signaling is gradually being used on touch-tone telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because it...[Details]
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Model 2602 Dual Channel System Source Meter
Parallel IV test systems - systems suitable for testing multiple DUTs or multi-channel testing of complex devices. For such DUTs, the speed of testin...[Details]
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introduction The principle of single-chip microcomputer is widely used. According to the requirements of the single-chip microcomputer principle and application course, two aspects of design are main...[Details]
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On May 8, Huarong County and Sichuan Changhong New Energy Technology Co., Ltd. officially signed a cooperation agreement on the production of polyheyuan lithium batteries, and jointly launched a new j...[Details]
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Class A transistor power amplifiers have a warm and sweet tone that makes people fall in love with them. However, Class A power amplifiers have a high temperature rise. If ordinary bipolar transistor...[Details]
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LEDs can generate light in 5 nanoseconds, while the reaction time of an incandescent light bulb is 200 milliseconds, so the automotive industry has applied
LEDs
to brake lights. This ar...[Details]
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Samsung will release the Galaxy S20 series on February 11, and ahead of the release, the core parts of the phone have been thoroughly leaked. On January 15, XDA brought the first hands-on of...[Details]
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On January 30, three projects with a total investment of nearly 8 billion yuan, Juchen New Energy's annual production of 20GWh energy storage cells and system integration, Guorun Energy Storage's annu...[Details]
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//Two-phase 5- and 6-wire stepper motors are divided into four-beat and eight-beat. Here we introduce the eight-beat output method: A-AC-C-CB-B-BD-D-DA //Four-beat: ACBD, so on the basis of eight-bea...[Details]
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The above picture shows the NVIDIA PX2 architecture, which is highly similar to Tesla . FSD can be seen as Parker and GPU combined into one, eliminating the very expensive PCIe switch. The PHY or ...[Details]
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The test circuit diagram is shown in Figure 1. There are two PN junctions between the gate G, the drain D and the source S. The drain and the source are symmetrical structures, showing pure resista...[Details]
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1. Design ideas
This article introduces the design and production of a portable power system with strong versatility and low cost. The system has two power supply modes. It can be powered by an...[Details]
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/* Name: Use ADC0808 to control PWM output
Description: Use the digital-to-analog conversion chip ADC0808 to adjust the pulse width by adjusting the variable resistor RV1.
When running the progra...[Details]
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Recently, Hyundai Motor Group unveiled the VR design review site and test system for the first time at its Namyang Research Institute in Gyeonggi Province, announcing the official launch of the virtu...[Details]
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