After receiving the board, there was a little episode. Today I received a text message saying that a YTO Express had arrived at a Cainiao Station in District A of Chongqing. So I was confused, after a...
Question: The board is ARM2410. Under wince, as soon as my application opens serial port 2, serial port 1 will print the message Data Abort: Thread=8fadf914 Proc=8e028d08 'device.exe' AKY=00001009 PC=...
1. Introduction
Currently, most instruments and equipment use RS232 interfaces to communicate with computers. However, with the development of computer technology, the hot-swappable USB standard int...
[i=s]This post was last edited by Prince Magpie on 2015-6-17 19:24[/i] VCC is made of 20V (VDD) through the MC7805 power conversion chip. When VDD is interrupted for a certain period of time (20V——>0—...
Why does the entry code of the driver I wrote slowly freeze? There is also a software VStart that freezes. Is there a conflict between this software and my driver? Driver, code DispatchCreateClose pro...
Can 430 nest interrupts?For example, I sample the A/D in the interrupt program of the key P1.0 port, and the sampled value needs to be read through the A/D interrupt. (I read in the book that GIE is a...
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
General LED lighting has a current limiting resistor in the driving circuit, and the power consumed by the resistor has nothing to do with the LED light emission. In order to improve efficiency, a...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Introduction
As the country increases its efforts to control the atmospheric environment, motorcycle emission regulations will become stricter year by year, and motorcycles that do not meet the...[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]
Traditional
virtual instruments
consist of a data acquisition
board
based on PCI bus and
corresponding software. However, with
the rapid development of
computer
network techno...[Details]
1 Introduction
At present, people have higher and higher requirements for the quality of life. When people are busy with work, soymilk machine is a new type of household beverage machine. It uses so...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
introduction
The air compressor unit in the operating area of a lead-zinc mine in Guangdong is a key equipment in mining production. There are six imported Ingersoll Rand CENTAC air compress...[Details]
UDN2916LB is a two-phase stepper motor bipolar driver integrated circuit launched by SANKEN. It can drive dual-winding bipolar stepper motors and is particularly suitable for controlling dual-step ...[Details]
New Automobile
Hydraulic Clutch
The hydraulic control system uses almost 100% advanced engineering plastics, which overcomes the shortcomings of the main and branch cylinders of metal clutc...[Details]
Current sensing in automotive applications includes controlling the current through solenoids and injectors. For example, during diesel injection, we rapidly increase the current to the induction i...[Details]
An intelligent vehicle is a robot that can automatically drive in an environment according to a pre-set mode, or it can autonomously perform specific operations according to the on-site situation. ...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]