This is a switch input circuit composed of four diodes found on the Internet. SW1 is the input terminal, and VPIN is connected to the microcontroller input terminal, which is in a high-impedance state...
Today I received a message about ACAI2012 in Xiamen, an automatic control and artificial intelligence conference. During the conference, there will also be a wireless communication and network technol...
[i=s]This post was last edited by paulhyde on 2014-9-15 03:01[/i][font=宋体]CNC DC Regulated Power Supply[/font] [url=https://bbs.eeworld.com.cn/thread-79554-1-2.html][font=Times New Roman][color=#80008...
I have been learning DSP, but I only learn about software, including real-time operating systems, algorithms, DSP development environment and debugging, and the working principle of DSP. I have the fo...
PicoVGA Main FunctionsUsing PIO0 module, using 1 base layer with transparency and 3 overlay layers
8-bit output in R3G3B2 format
VGA display output with 256x192 to 1280x960 resolution
Output resolutio...
In I2C communication, sometimes the host cannot receive the ACK response from the slave, and the SDA line will be pulled dead (low level). Can you give me some advice?...
Today's computer peripherals are pursuing high speed and high versatility. In order to meet user needs, seven companies led by Intel launched the USB (Universal Serial Bus) bus protocol in 1994, wh...[Details]
Microcontrollers (MCUs), which are widely used in automotive electronics, are rapidly facing time and cost pressures. The main advantage of using MCUs has always been to create high-level system in...[Details]
System design is a complex process. It is not enough to just use ICs. There are many details to consider. This article uses a high-fidelity music playback system as an example to introduce how to s...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
With the continuous improvement of the requirements of intelligent building security systems and the continuous improvement of people's safety awareness, indoor anti-theft has gradually attracted peop...[Details]
The solidification and modularization of intelligent video analysis algorithms are the current trends in the application of intelligent video analysis technology. It perfectly combines intelligent ...[Details]
LED lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
LED technology has made rapid progress, and improvements in chip design and materials have promoted the development of brighter and more durable light sources, and the scope of light source applica...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
In the "digital pressure measurement" experimental device of applied physics, the subject technical knowledge of analog circuits, digital circuits, sensors and single-chip microcomputers is used. In o...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
People who often surf the Internet until late at night, their families always complain that turning on the big lights in the living room affects their rest, but some people don't have keyboard ligh...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
With the popularity of digital appliances, rechargeable batteries can be seen everywhere in people's daily lives and have become one of the indispensable daily necessities.
This article gives ...[Details]