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First, let’s look at Figure 3-1, which is the USB interface and power supply circuit we saw in the last class. Figure 3-1 USB interface and power supply circuit In the left picture, after passing t...[Details]
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In June this year, Apple will hold a global developer conference online, where it will release new information about new iOS 16, iPadOS 16 and other systems. Recently, some users discovered t...[Details]
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It is reported that Volkswagen of Germany and its partners are preparing to invest 10 billion euros (about 70 billion yuan) to produce electric vehicles and batteries in Spain, 3 billion euros more t...[Details]
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CTC: Clear counter mode when compare match occurs. When the value of counter TCNT0 is equal to compare register OCR0, counter TCNT0 is automatically cleared. OCR0 defines the maximum (TOP) value of t...[Details]
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Preface
FOC is indispensable for permanent magnet synchronous motor control. This chapter mainly introduces the basic principles of FOC control, coordinate transformation, and the mathematical...[Details]
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CX1, L1, and L2 form an input EMC filter circuit, which outputs 24V DC after AC/DC conversion. This part is omitted for applications such as battery-powered emergency lighting, solar lighting, and ve...[Details]
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A single-phase Boost PFC converter with a certain duty cycle can work in DCM mode. Similarly, Buck-Boost, SEPIC, Cuk converters with input inductors, and flyback PFC converters can also work in DCM...[Details]
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In most embedded systems, processors and field programmable gate arrays (FPGAs) do the heavy lifting. Processors and FPGAs typically work independently, but if the two technologies can work well ...[Details]
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Some friends often ask: How to convert the data received from the serial port into ASCII characters? How to send binary data to the serial port?
Next, we will solve the above two problem...[Details]
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Insulation resistance testers are usually called megohmmeters or high resistance meters. They are widely used to measure the insulation resistance of generators, motors, wiring, electrical appliances...[Details]
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summary
This article will show how to deliver power over a single pair of data lines. The new Single Pair Power over Ethernet (SPoE) allows for the transmission of power and data o...[Details]
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Recently, a set of renderings of Nokia X22 were exposed online. Its bold innovation in design made many netizens applaud. However, dreams still have to be reflected by reality. This set of renderings...[Details]
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Looking back now, starting from 2007 when Levandowski and David Hall were riding motorcycles in Silicon Valley to sell lidar , by 2023, China’s automotive market alone will have shipped nearly 600,00...[Details]
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Although inductors are not used much in electronic production, they are equally important in circuits. We believe that inductors, like capacitors, are also energy storage components that can conver...[Details]
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The semiconductor laser market has become active as a light source for 3D sensing technologies such as LiDAR required for autonomous driving. One of them is VCSEL (Vertical Cavity Surface Emitting ...[Details]
Microcontroller MCU
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