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This article records the experience of learning and using the Ethernet controller of LPC1768. The network card chip takes DP83848C as an example. The Ethernet controller (EMAC) in the main chip is lo...[Details]
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In the application of single-chip microcomputer, it is often necessary to save the running data when the power is off (including manual shutdown and accidental external power failure). At present, th...[Details]
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The analog type consists of a meter head, a measuring circuit and a conversion switch, as shown in Figure 1: Figure 1 Appearance of a multimeter ① Meter ② Switch The schematic diagram of the magnet...[Details]
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Oscilloscopes are very common in the use of electrical measuring instruments. An oscilloscope can be used to observe the waveform curves of various electrical signals as they change over time. On thi...[Details]
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Arbitrary waveform generators are increasingly used because they have more flexible signal generation capabilities. Figure 1 N6030A arbitrary waveform generator block diagram Figure 1 is a typi...[Details]
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Variable length coding (VLC) is a lossless entropy coding, which is widely used in many fields such as multimedia information processing. VLC occupies an important position in international standar...[Details]
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Demodulating PWM signal Pulse width modulation (PWM) is widely used in switching power supplies and motor controllers. Analyzing the dynamics of the control loop requires observing the change in puls...[Details]
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According to incomplete statistics from the International Energy Network/PV Headlines (PV-2005) based on public information, from May 1 to May 31,
about 58 photovoltaic inverter bidding project...[Details]
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At the Tencent Global Digital Ecosystem Conference in May this year, Qiu Yuepeng, Vice President of Tencent and President of Tencent Cloud, announced the launch of the smart city solution "WeCity Fut...[Details]
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This is the first time I write about my learning process. This is just the beginning. Of course, it is not the end.
I had nothing to do today, so I read a book on microcontrollers. Suddenly I reali...[Details]
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introduction Stage lighting effect design is an important part of stage scene design. At present, various new lighting equipment used in China, such as color changers, dimmers, computer lights, etc.,...[Details]
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Lithium batteries have been widely used for their large capacity and good charging performance, especially in small electronic devices that need to be powered by batteries. However, the charging ...[Details]
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In the process of industrial field testing, since the test data of various parameters in production are of great significance to the production process, the accuracy of various test data is require...[Details]
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According to Bloomberg, Samsung Electronics is considering investing more than $10 billion to build its most advanced logic chip manufacturing plant in the United States. Samsung Electronics hopes to...[Details]
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High-voltage motor starter cabinet and high-voltage distribution cabinet are two important equipment in the power system. They have obvious differences in structure, function, application, etc.
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