[size=13px]I tested a disassembled 1.5 to 3.3 DC-DC board. The driving ability is very good. I don't know what the main chip is. Please help me find out what model it is. Thank you. This is an externa...
Attached is the circuit diagram, which is part of a brushless DC motor control circuit, mainly to detect the current of the motor coil. I would like to ask experts to help explain the working principl...
Everything should start with the running light Author/Xiong Rensheng It should be. Learning single-chip microcomputers should start with the running light. It is estimated that teachers in China and e...
[size=5]Using Qi-Compliant Wireless Power Solutions for Low-Power Wearables[/size][size=4] [/size] [size=4] [/size] [b][size=6]Introduction[/size][/b] [size=4]Many low-power wearable devices such as s...
The Internet says that in shell.reg, modify [HKEY_LOCAL_MACHINE\init] "Launch50"="explorer.exe" "Depend50"=hex:14,00, 1e,00 and change explorer.exe to my application. However, after changing it, the a...
Digital-to-analog converters (ADCs) provide the critical conversion of analog signals to digital signals in many systems. They perform amplitude quantization of an analog input signal to a binary fini...[Details]
A biped robot joint constructed by pneumatic artificial muscles is introduced. The joint uses the flexible characteristics of pneumatic artificial muscles to effectively control the impact of the la...[Details]
This issue will briefly introduce the test related to spectrum - occupied bandwidth.
Definition: Occupied bandwidth refers to the bandwidth corresponding to 99% of the total transmitted power, cent...[Details]
To ensure the success of China's TD-SCDMA network commercialization, operators and equipment suppliers need to conduct a large number of tests on networked equipment, among which RF testing is...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
introduction
With the rapid development of my country's aviation industry, various new aircraft and control equipment have been successfully developed. Some previous measurement and control eq...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
introduction
With the increasing popularity of Internet applications, the degree of information sharing is constantly improving. The digitization and networking of embedded devices has b...[Details]
introduction
Every friend who has been in contact with PC since the 286 era must have deeply experienced the convenience brought to our lives and work by the leaps and bounds of comput...[Details]
Abstract:
Online dynamic signature authentication is increasingly used in various fields, especially in banking and financial systems and personal identification. As the basis of online signa...[Details]
Nowadays, the phenomenon of using cloned taxis and trucks for operation is becoming more and more serious. The so-called cloned car is one or several unlicensed vehicles that are used to copy anoth...[Details]
1. Introduction
The current information age is an era built on the basis of the network. IP networks based on TCP/IP protocols, such as Internet, Intranet and Extranet, are developing with...[Details]
introduction
In-Circuit Programming (ICP) is a fast MCU programming method that is widely used. For the 8-bit MCU of Freescale Semiconductor that I use, the speed of in-circuit programming...[Details]
1 Introduction to Oscilloscope
An oscilloscope is a tool used to measure the fluctuation of voltage or current in a circuit. It can reflect the working condition of the device in real time...[Details]