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...
1. What is the naming convention of STM32? Example: STM32 F 103 C 8 T 6 A xxx in: (1) Product Series STM32: 32-bit microcontroller based on ARM core; (2) Product type: F: General purpose (3) Product ...[Details]
At the end of June, the news of a partnership between two top semiconductor companies in Europe and the Middle East sparked heated discussions in the industry: STMicroelectronics (hereinafter referre...[Details]
Decades ago, when the center console of a car was still made up of all kinds of physical buttons and knobs, an American TV series called "Knight Rider" became popular. The protagonist's car was a Pon...[Details]
MCU peripheral circuit design 2: capacitor Capacitors, as another basic component of electronic circuits, are familiar to everyone. Let's talk about some basic applications and precautions of capac...[Details]
At present, electric locomotives use mechanical foot switches to send trigger pulses (110V/0V) to the monitor at a fixed time (within 1 minute) to inform the monitor that the locomotive driver is i...[Details]
This paper introduces a concise, efficient and flexible ARM exception interrupt processing method. In ARM, since all interrupts use the same exception interrupt entry address, i.e. 0x00000018, it is ...[Details]
The reference design of uninterruptible power supply (UPS) adopts dsPIC33FJ16GS series 16-bit digital signal controller (DSC), with input AC voltage of 210 – 242V, 50 Hz (+/- 3 Hz), output AC voltage ...[Details]
According to Taiwan media Economic Daily, Huang Bojun, vice chairman of foundry Wistron, said in an interview today that Wistron will still maintain its goal of 50% of its production capacity outside...[Details]
The bus master-slave structure is often used in the multi-machine communication system composed of single-chip microcomputers. In a system composed of multiple single-chip microcomputers, only one ma...[Details]
Since its launch as Android Market in 2008, the Google Play Store has had an extensive system of reviewing and rating apps. These ratings are currently treated equally, no matter how old or new they ...[Details]
The former head of Canada's spy agency believes that even if Huawei's 5G networks are banned, China can only cause "limited" damage to Canada and its Five Eyes allies. “From a Canadian perspective, I...[Details]
1. Basic Concept of Phase Noise
Figure 1 Spectrum of a sinusoidal signal (possible cases with and without phase change)
In order to describe the phase noise more accurately, it is usually d...[Details]
ALINETEK 2.8 inch TFT LCD module features 240*320 resolution 16-bit true color display (65536 colors) Built-in resistive touch screen Built-in backlight circuit Note: The module is powered by 3....[Details]
Bloomberg quoted people familiar with the matter as saying that Hon Hai Foxconn plans to assemble key parts for Google servers at its factory in Wisconsin and is expected to enter mass production in ...[Details]
On November 4, 2024, NXP Semiconductors NV (NXPI) today released its third-quarter financial results as of September 29, 2024. Despite the slowdown in the macroeconomic environment and demand in so...[Details]