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In the previous introductions, the USB host completed the acquisition of the device descriptor. Now it enters the second step, setting the device address stage.
This stage is a control transf...[Details]
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On January 16, the Laser TV Industry Branch of the China Electronic Video Industry Association released the TV industry's first "Laser TV Eye Protection Action White Paper" in Shanghai. The white pap...[Details]
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When repairing electronic circuits, it is often necessary to remove integrated circuits from PCB printed circuit boards. Since integrated circuits have many and densely packed pins, it is difficult to...[Details]
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On March 2, 2022, WPG Holdings , a leading semiconductor component distributor dedicated to the Asia-Pacific market , announced that its subsidiary WPI has launched a 50W in-vehicle wireless charging...[Details]
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Meizu has officially announced that it will hold the "Meizu 16s flagship phone launch conference" in Zhuhai at 19:30 on April 23, with the theme of "100% Efforts for 1% Selected", which means...[Details]
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Oscilloscopes are widely used test instruments. They can be used to observe the waveform curves of various signal amplitudes changing over time. They can also be used to test various electrical quant...[Details]
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When AC current is overloaded, the AC voltage applied to the load and the AC current passing through the load will have a phase difference, from which people derive the concept of power factor. The el...[Details]
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"When the 51 microcontroller outputs a low level, the maximum current injected into a single pin is 10mA; the maximum total current injected into an 8-bit interface (P1, P2 and P3) is 15mA, and the ma...[Details]
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On November 22, Asia Pacific Holdings stated on its investor interaction platform that the company is actively promoting its new products and technologies to major domestic and foreign vehicle manufa...[Details]
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On April 8, State Grid Shaanxi Electric Power Company reviewed and approved the 2019 Ubiquitous Power Internet of Things Construction Work Plan and fully launched the Ubiquitous Power Internet of T...[Details]
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On December 19, Redmi K30 product manager and Redmi ID designer @画东画西MI revealed the Redmi K30 Pro for the first time when interacting with Mi fans. A Mi fan asked a question, hoping that the...[Details]
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Last week, Intel announced that it would invest $20 billion to build two large wafer fabs in Ohio, USA. This is the second wafer manufacturing base invested by Intel in the United States in a year. W...[Details]
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Whenever a circuit board fails to operate normally and the circuit is found to be fine after inspection, it is very likely that a component is broken. If you want to repair it, you must find the prob...[Details]
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1. ADC and touch screen controller structure diagram 1. S5PV210 supports 10 analog inputs, namely AIN0-AIN9. AIN0 and AIN1 are only used for analog input, and AIN2-AIN9 can support 2 resistive touc...[Details]
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Keysight Technologies said that its expertise in 5G technology, millimeter wave and measurement can help realize the future 6G vision. Recently, Keysight announced that the company has joined the 6G...[Details]