USB is a complicated and time-consuming thing for me. It mainly describes the device according to the function. For example, USB keyboard, USB virtual serial port, USB camera...
And Hetai also added t...
How to accurately judge the quality of the power IC chip in the circuit in daily circuit maintenance work is an important part of repairing TV, audio and video equipment. If the judgment is inaccurate...
The input frequency is 1k square wave entering the low-pass filter, filtering out the waveform shown in the figure. The cutoff frequency of the low-pass filter is 1k. Why does this distortion occur?...
Long distance, effective identification distance is adjustable from 0m to 80m Provide standard thick card and special-shaped package Standard thick card size: 86 x 54 x 5mm Operating frequency: 2.4GHz...
If a resistor is connected in series with R18, R15 can have a larger resistance value to reduce the self-consumption in the working state. This is my idea
The original picture (upl...[Details]
With the new PMIC, e-peas hopes to enable higher performance energy harvesting for IoT devices. But to do this, what challenges does IoT energy harvesting bring?
Battery life and chargin...[Details]
After the rise of OLED, Micro LED technology followed closely. However, this article will introduce the latest improvement that Samsung has brought to its own QLED display - by introducing self-lumin...[Details]
High voltage output circuit
The figure shows a voltage polarity change circuit with 3V input and 22V output. When the input is 2V, the output current can reach 7MA. If it is changed to 5V input...[Details]
Recently, the first Mini-LED electrical testing equipment independently developed by Hefei Xinyihua was officially delivered to customers, helping to improve the yield of the Mini-LED display industr...[Details]
introduction
As we all know, many scientific experiments are inseparable from electricity, and here Some experiments often have special requirements for power-on time, voltage level, current size a...[Details]
The basic structure of OLED
is a thin and transparent
semiconductor
-like indium tin oxide (ITO), connected to the positive electrode of electricity, and then another metal cathode, forming ...[Details]
The long-awaited Apple conference arrived as scheduled. Four models of iPhone 12 were released at the conference. The parameters of the four models, including Pro Max, Pro and mini, were checked on i...[Details]
Some time ago, I went to Qingdao to attend TMC's forum on automotive-grade SiC power modules. As mentioned before, in this field, with the conversion from 400V to 800V bus, the SiC industry has becom...[Details]
Motor is a device that converts electrical energy into mechanical energy. It uses an energized coil (that is, stator winding) to generate a rotating magnetic field and acts on the rotor (such as a ...[Details]
0 Introduction
Currently, a basic measurement tool is widely used in electronic and electrical measurement, industrial automation instrumentation, automatic test system and other intelligent me...[Details]
A new OnePlus phone with model number PGZ110 has been registered with the Ministry of Industry and Information Technology. It uses a 6.59-inch FHD+ resolution LCD high-refresh screen, built-in 5...[Details]
On December 28, the official website of the China Securities Regulatory Commission disclosed the draft prospectus for the listing of YUYAN Semiconductor Silicon Materials Co., Ltd. (hereinafter refer...[Details]
MEMS accelerometers have been used in consumer electronic devices for several years.
From gaming consoles to mobile phones, from laptops to white goods, motion-controlled user interfaces and...[Details]
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