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...
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?...
The circuit has overcharge protection, over-discharge protection, over-current protection and short-circuit protection functions. Its working principle is analyzed as follows:
1.
Norma...[Details]
You can use a multimeter to measure it. For a digital meter, you can use the special capacitance range to measure it. You can also use the resistance range of a pointer meter to measure it. It is r...[Details]
introduction:
Energy consumption is a major issue for battery-powered products. Once the power is exhausted, the device will "go on strike". In "MCU Low Power Design (I) Theory", we introduced the ...[Details]
Introduction:
In recent years, the development of China's air conditioner industry is very rapid. In 2000, the production scale of China's air conditioner industry has developed to about 18 mil...[Details]
1. Qualcomm (QCOM.US) said it will provide chips for Renault's new electric vehicles Qualcomm Inc said on Sept. 7 it will provide a key computing chip for the digital instrument cluster in Renault...[Details]
1 Introduction
High reliability software generally refers to a type of software: if a failure occurs during the operation of this type of software, it will cause major catastrophic accidents or e...[Details]
Configure the kernel to support UVC driver, then compile the kernel with make uImage, burn the kernel to nand flash, and then start the development board. After plugging the USB camera into the JZ244...[Details]
On the morning of November 9, 2023, the first World Energy Storage Conference opened in Ningde City, Fujian Province. With the theme of "Global Vision and New Energy Storage", this conference was co-h...[Details]
Safety is the basic premise and fundamental guarantee for a comfortable home life. With the rapid development of the economic level, the demand for a sense of security among home users is gradually i...[Details]
The application fields of LED
(light emitting diode) are steadily expanding,
such as signal lights, electronic signs, display backlights,
lighting
products, etc.
It is estimated that...[Details]
What is RAEB? This week, a video of an AI TO Wenjie M5 smart driving version "riding" on a BYD Dolphin sparked heated discussion. It is speculated from the video that the M5 accelerated suddenly wh...[Details]
On March 6, realme Vice President Xu Qi announced that the realme GT Neo3 equipped with MediaTek Dimensity 8100 processor will be launched soon.
The realme GT Neo3 is competing with the K50 se...[Details]
Many friends have development boards or learning boards based on STC microcontrollers. I have seen that most people download programs by cutting off the power and cold starting. In fact, the ISP softw...[Details]
The global technology company ZF Group launched its independently developed electric vehicle thermal management system for the first time at the "ZF Global Technology Day" held at the end of June. Th...[Details]
The intelligent car driving circuit is a full-bridge driving circuit. The four transistors Q1, Q2, Q3, and Q4 form four bridge arms. Q5 controls the on and off of Q2 and Q3, and Q6 controls the on and...[Details]
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