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This is similar to the DHT11, with slightly higher accuracy and a tenfold difference in price. The program is very improved, and it will automatically recover if there is a problem with the connectio...[Details]
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The maximum duty cycle Dmax of MOSFET switch tube operation:
Where: Vor is the reflected voltage refracted from the secondary side to the primary side. When the input is AC 220V, t...[Details]
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Shenzhen is a first-tier city. As people's living standards continue to grow, the imported home appliances market has also entered people's daily lives. Therefore, variable frequency power supply m...[Details]
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Users have been reporting in recent days that Apple's Messages app is still sending read receipts even though the setting has been disabled. This isn't a new problem, but it is a recurring bug in iOS...[Details]
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According to businesskorea, TSMC, a major wafer foundry, has canceled volume discounts for major customers for the first time in nearly a decade. It is reported that TSMC has canceled its policy of...[Details]
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1. Measure coil resistance: You can use a multimeter with the R 10Ω setting to measure the resistance of the relay coil to determine whether the coil is open circuited. The resistance of the relay ...[Details]
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NIWeek – NI (National Instruments), the provider of platform systems that help engineers and scientists tackle the world’s toughest engineering challenges, today announced an enhanced version of its ...[Details]
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As a modern electronic media, dot matrix LED display screen has the characteristics of flexible display area (can be divided and assembled arbitrarily), high brightness, long life, digitization, real...[Details]
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A varistor is a metallized variable resistor whose voltage and current do not follow Ohm's law, but form a special nonlinear relationship. When the voltage applied to both ends is lower than the nomin...[Details]
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How Spectrum Analyzers Work Currently, signal analysis is mainly carried out from three aspects: time domain, frequency domain and modulation domain. The spectrum analyzer analyzes the frequency doma...[Details]
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1. What are the advantages of PIC series microcontrollers? Since I came into contact with PIC microcontrollers in 1995, I have been keen on the development and application of this type of microcont...[Details]
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Different types of batteries have different internal resistances. Batteries of the same type have different internal resistances due to inconsistent internal chemical properties. The internal resistan...[Details]
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Capacitors are components that store electricity and electrical energy (electrical potential energy). A conductor system in which one conductor is surrounded by another conductor, or in which the ele...[Details]
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Part 9: New SMU Overcomes Tricky Test Challenges of Low-Current Capacitive Setups
When long cables or capacitive chucks are used in the test setup, the capacitance at the test instr...[Details]
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The actual circuit using MIC4827 to drive a 3-inch square EL lamp is shown in the figure. The input current Iin=28mA of this circuit at Vin=3.3V, the output voltage is still 180Vp-p, and the operatin...[Details]