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Method 1: The serial port receives data, and the timer is used to determine whether the data reception is completed after the timeout. Method 2: DMA accept + IDLE interrupt Implementation idea: Use t...[Details]
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This article explains why ADC input impedance varies with frequency and why this is a circuit design problem; it then compares two methods of determining input impedance: measuring it with a network...[Details]
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6. Infrared remote control sound and light tester
Here we are going to use the microcontroller experimental board to make an infrared remote control sound and light tester. Infrared remote contro...[Details]
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The multimedia speakers on the market now generally have thin cabinet materials, poor speaker unit quality, unreasonable crossover point settings, insufficient amplifier circuit components, poor perfo...[Details]
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Although Apple has not officially announced it yet, this year's WWDC conference is very likely to be held online like last year. According to last year's time node, Apple is expected to announce the ...[Details]
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Fingerprint sensor (also known as fingerprint sensor) is a key device for automatic fingerprint collection. The earliest fingerprint recognition technology is an optical recognition system based on op...[Details]
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The input coupling mode of an oscilloscope means the transmission mode of the input signal. Coupling refers to the phenomenon that the input and output of two or more circuit elements or electrical n...[Details]
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1. Reset
Reset is input through the reset pin RST. The reset must reach a high level for two cycles to reset the system. After reset, the PC pointer is 0000H, so 0000H is the reset vector entr...[Details]
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Since 1973, NIDEC Control Techniques (hereinafter referred to as NIDEC CT) has been designing and manufacturing advanced drives (VSD) . Nidec CT's drive products have been widely used in commercial a...[Details]
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According to the Nanjing Development and Reform Commission, in 2021, 183 large-scale enterprises in Nanjing's integrated circuit industry (155 in IC design, 2 in wafer manufacturing, 8 in packaging a...[Details]
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1. Reasons why the frequency of the inverter cannot be adjusted
1. Power supply problem: If the power supply voltage is too low or the power supply frequency is unstable, the inverter will fa...[Details]
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In an SMPS, the circuit clamps the input AC voltage to a safe level at which the power MOSFET operates.
Most isolated, offline SMPS (switching power supplies), including flyback, forward and reso...[Details]
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When repairing a TV, it is often necessary to check whether the high voltage inside the TV is normal. However, since the high voltage inside the TV is generally above 9kV, it cannot be measured with ...[Details]
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China Energy Storage Network News:
On January 14, Gartner released its revenue forecast for semiconductors in 2020. The results showed that after a 12% decline in 2019, global semiconductor r...[Details]
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Wireless Sensor Network (WSN) is a multi-hop self-organizing network system composed of a large number of cheap micro sensor nodes deployed in the monitoring area through wireless communication. It...[Details]