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A new Huawei phone with model number ANA-AL00 has been registered with the Ministry of Industry and Information Technology. Judging from its appearance, it should be Huawei P40. According t...[Details]
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The switching power supply charger has a supply voltage of 110V, which can be easily changed to 90-250V and continue to work; the output voltage is 5V, which can be changed to 5-12V, which is espec...[Details]
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Table 4 BIT3105 pin functions
(1) Drive control circuit
The drive control circuit consists of U1 (BIT3105) and its peripheral components.
When the LCD backlight nee...[Details]
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Chip selection is difficult, and choosing a suitable domestic chip is even harder. "Domestic production rate" is an important indicator to measure products nowadays. As the domestic chip industry ch...[Details]
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With the development of LCD technology, the era we live in is increasingly dominated by screens. LCD screens are everywhere. In addition to subways, shopping malls, and elevators, they have even pe...[Details]
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The chip type is changed to STC90C5XX series:
It is quite different from the online method. It is really magical.
Note:
Why can't the STC89C5XX series be do...[Details]
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At present, radar level meter is widely used in the liquid level measurement industry. It mainly adopts non-contact measurement, and the measured medium is almost unrestricted, becoming the leader ...[Details]
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PrimeSense technology is the basis of the Microsoft Kinect sensor system, which is designed to work with the Microsoft Xbox 360 console gaming system (Figure 1). Its working principle is very simple,...[Details]
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In the era of smart phones, mobile phones are no longer just voice and simple SMS data communication devices. Now they have become a powerful personal mobile multimedia terminal. The more delicate ...[Details]
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Geek+, a warehouse logistics robot company, held a strategic conference in Nanjing. In November last year, Geek+ received $150 million in Series B financing and began to upgrade its strategy and buil...[Details]
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Maybe we never thought about it. The seemingly simple garbage classification actually brings such great trouble to "smart" humans July 1, 2019, the "strictest garbage classification law" in history T...[Details]
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1. When programming a microcontroller with C language, remember the small difference from running a simple C language. The microcontroller is always executing the program, while C language only needs...[Details]
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Since Apple officially launched iOS 15.4, many users have reported that the battery life is not as good as before. The iPhone, which originally had poor battery life, loses power faster. Some users e...[Details]
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1. The principle is the same as that of the longitudinal differential protection of the line.
2. Achieve instantaneous action.
3. When the differential protection is activated, the switch...[Details]
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The hydraulic pump is the core component of the hydraulic transmission system. It is responsible for converting mechanical energy into liquid pressure energy and providing power for the entire syst...[Details]
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