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The circuit described in this article can perform comparative measurements of light transmission and can be used for optical loss measurements. Losses include reverse and absorption.
Figure 1 shows...[Details]
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0. Implement uwTick function similar to STM32 through TIM4 An interrupt is generated through TIM4 timing, and uwTick++ is executed every millisecond. 1. Set TIM4 frequency division and automatic re...[Details]
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Ring oscillators are widely used in integrated circuits for clock generation and system calibration. Chip manufacturers often use new manufacturing technologies to manufacture ring oscillators and mea...[Details]
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Due to work reasons, I need to make a low-power infrared remote control. So I came into contact with the STM8L series of low-power microcontrollers. Because my project does not require high resources...[Details]
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First, the connection diagram in Proteus of 1602 is given as follows: illustrate: 1. The component name of the 1602 LCD display in Proteus is: LM016L (can be found in the component search). Do no...[Details]
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Analysis of electric energy metering circuit: ADE7755 is powered by a single power supply of +5V and 15mV power consumption. After power is applied, the ADE7755 chip is initialized and starts to w...[Details]
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Infineon Technologies expands wireless product portfolio
New BLE and 802.15.4 low-power SoC multi-protocol solution for smart homes supports Matter standard
Mu...[Details]
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Just a few decades ago, cell phones weighed more than today’s laptops and home theaters were filled with VHS tapes. The ability to fit more data into a smaller space is one of the most remarkable f...[Details]
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I recently saw an interesting circuit, as shown below. The input voltage is 20V DC, Q1 and Q2 are turned on alternately, the frequency is 100kHz, and the load RL is to be determined. What kind of circ...[Details]
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According to Tencent Technology, Vietnam has gradually become Samsung's most important electronics manufacturing base in recent years. Currently, Samsung already has smartphone, TV and home appliance...[Details]
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Past experience in the manufacturing industry has demonstrated time and again that the price for an emerging industry to move from immaturity to maturity is often chaos. Not long ago, Henan Tongxu ...[Details]
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Q: In a recent RAQ, I mentioned current transformers. What are they and how are they used?
A: A current transformer is just a different use of an ordinary transformer. You can find it in textbook...[Details]
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In addition to the transportation sector, hydrogen energy also has broad application prospects in the industrial sector. Green hydrogen produced through renewable energy such as photovoltaic and wind ...[Details]
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At the end of last month, Shanghai Belling released its 2019 semi-annual performance forecast, predicting that the net profit attributable to shareholders of the listed company in the first half of 2...[Details]
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Soft start and variable frequency start are two different ways of starting motors. They are widely used in industrial automation and power systems. This article will introduce the concepts, princip...[Details]