The OP's laptop is a thinkpad T510, which has been with me for a few years. The appearance has not changed much. If I just watch movies and read the news, there is no pressure at all. But the OP is a ...
As shown in Figure 1, this is the internal diagram of the SG2525 driver chip
[1] As mentioned in Figure 2 (yellow line), the output of the oscillator inside Figure 1 is divided into two paths. One pat...
The most interesting thing about the Pixel 5 is that despite having an aluminum back, it has wireless charging as well as reverse wireless charging. Every other smartphone with wireless chargin...[Details]
Introduction
With the development of social economy and the continuous progress of science and technology, people's living conditions have gradually improved, and the requirements for intellige...[Details]
In this section, we continue to debug the hardware circuit, test whether PCF8563 is normal, read the time, and then display it on the digital tube. The driver of 8563 is searched and then modified. T...[Details]
Abstract: In order to understand the process of decomposing a periodic continuous signal into several harmonic components or synthesizing a periodic signal from different harmonics, a set of simple...[Details]
Many of today's Bluetooth headsets support waterproof functions. Generally speaking, the most common waterproof levels are IPX4 and IPX5. If you use headphones outdoors frequently, it is necess...[Details]
Redmi Mobile officially announced the new Redmi K30 Pro recently. At the same time, a blogger also revealed the price information of Redmi K30 Pro today. Judging from the screenshots, t...[Details]
There are only three quantities in PLC: switch quantity, analog quantity and pulse quantity. As long as you understand the relationship between the three, you can master PLC skillfully.
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The electrolyzer has positive and negative poles. Generally, the one with a longer pin is the positive pole and the one with a shorter pin is the negative pole, and they are marked with "1". When t...[Details]
The history of vortex flowmeter is not too long, and it is currently in the process of research and development. Therefore, it is still difficult to discuss its characteristics in a very specific and ...[Details]
Recently, Chuneng New Energy Mengshi Solar Storage 48MW/96MWh liquid-cooled energy storage power station project was connected to the grid as scheduled in Karamay City, Xinjiang Uygur Autonomous Re...[Details]
The main feature of an optocoupler is that it is a device that uses light as a coupling medium to transmit electrical signals. An optocoupler is a device that encapsulates a light-emitting d...[Details]
Hisense, the leader of Chinese laser TV, will launch a screen-sounding laser TV at the IFA exhibition in Berlin, Germany, which will open on September 6. This is another technological breakthrough of...[Details]
A multimeter is a commonly used measurement tool that can be used to measure parameters such as voltage, current, and resistance. However, for the measurement of temperature sensors, a multimeter m...[Details]