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This topic is to design a digital voltmeter using a single-chip microcomputer, which can measure the DC voltage value between 0-5V, with a four-digit digital display and a small number of components....[Details]
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1. Prepare the project (please install idf in advance) Project preparation: In the project directory, open cmd and enter: as follows, then press Enter to start downloading LVGL github: git clone --re...[Details]
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Abstract: This article discusses the power-on reset function and threshold voltage selection strategies for single-supply or dual-supply processors. It also discusses manual reset, power-fail, and low...[Details]
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China Energy Storage Network News
: On November 12, Shouguang Energy Big Data Center, which is "led by the government, built by the power industry, and participated by multiple parties", was ...[Details]
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This circuit (see the figure below) is a frequency-adjustable phase-shift sine wave generator circuit. Its frequency stability is 0.002% through actual testing. The circuit is cost-effective and uses...[Details]
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Notes on entering HALT Set the unused IO ports to output low; Turn off all used peripheral clocks (such as ADC, USART, etc.); Peripherals used for disability; The measured standby current in HALT m...[Details]
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Measuring low frequency signals can be tricky, but with a few tricks, you can get better at making measurements. The first step is to use DC coupling. DC coupling removes the blocking capacitor that ...[Details]
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According to 9to5Google, the Pixel 4a phones have been removed from the Google Store after being out of stock for weeks. Google Pixel 4a was released in August 2020. It supports 4G connectivi...[Details]
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WLV-100H handheld ultrasonic flowmeter is the smallest, lightest and truly portable ultrasonic flowmeter in China. This product has the characteristics of automatic data storage, high measurement acc...[Details]
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1. Introduction to digital tube scanning This experiment is an extension of the GPIO output function. It uses GPIO to drive the digital tube to perform dynamic scanning to achieve the purpose of disp...[Details]
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According to the iPhone 13 Pro cost analysis released by the third-party disassembly agency iFixit, the total BOM cost of the iPhone 13 Pro is US$570, approximately RMB 3,674. The BOM cost of the iPh...[Details]
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The φ1320 oil-free vacuum ring die equipment measurement and control system of the 511 Institute of China Academy of Space Technology mainly consists of two parts, namely the control cabinet and the u...[Details]
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ADS8343 is a 16-bit 4-channel pseudo-differential analog-to-digital converter chip from TI. It has the advantages of high resolution, fast conversion speed (fastest 10μs), serial interface transmissio...[Details]
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Recently, Rogers Corporation (NYSE: ROG) officially launched RO4730G3™ antenna-grade laminates with standard electrolytic copper foil and UL 94 V-0 to meet the performance requirements of current and...[Details]
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This article will take a deep dive into perception radar technology, the use cases of Arbe’s perception radar technology, and its significance to the automotive industry.
Part 1
Perce...[Details]
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