A pull-up resistor should be added to one section of the microcontroller, and then combined with this diagram, it can drive a 300mA solenoid valve (power is 3.5w, voltage is 12V). I [img]c:/51 driving...
Dear brothers, we use PXA303+Wince6R2 to realize the handheld device, and use SimCom300D module as the mobile phone and communication module. Please teach me how to realize: 1. Make and receive calls ...
Under what circumstances is the touch screen function DdsiTouchPanelGetPoint called? Is it called after the user presses the touch screen, generating an interrupt? After my NK is running, I haven't pr...
[i=s]This post was last edited by rowen800 on 2015-3-20 16:50[/i] I have been working on implementing digital down-conversion in FPGA recently. Today, I encountered some problems when designing FIR fi...
This reference design (PMP4301) is a single-stage power factor corrected LED driver using the Texas Instruments UCC28810 LED lighting power controller. The LED applications focus on fluorescent tube r...
3. Superficial evaluationAC motor variable frequency speed regulation technology has developed rapidly thanks to the high development of power electronics and microelectronics technology. Its applicat...
introduction
Oxygen is an important substance for human metabolism. Brain tissue has a high metabolic rate and consumes about 20% of the total oxygen in the body. In the clinical rescue and ...[Details]
At present, the global medical electronics industry is gradually showing attractive development prospects, and the speed of product replacement is constantly increasing. At the same time, due to the p...[Details]
Keeping the heart environment compact and warm is beneficial in most cases, but it’s another story for electronic heart scanners. When GE Healthcare was designing a scanner that was said to be the fas...[Details]
Basic principles of simulation
Simulation is a technology used in the field of embedded system development. It can bring system developers the controllability and visibility needed to integra...[Details]
Emulation Features
Emulation provides a set of standard operations for integration and debugging. Some of its main features are as follows:
BreakpointsA
common feature of emulatio...[Details]
As the price of readers and tags decreases and the global market expands, the application of radio frequency identification (RFID) is increasing day by day. Tags can be powered by readers (passive ...[Details]
Portable devices with audio functions (such as portable media players and multimedia mobile phones) require long audio playback time, that is, long battery life. To extend the battery life of port...[Details]
introduction
Controller Area Network (CAN) is a bus standard proposed by Bosch of Germany to solve the information communication between automotive electronic control units. With its excel...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
MOSFETs are widely used as power switching elements in regulators and motor controllers. They are available as discrete devices or integrated into ICs in various H-bridge configurations.
A hig...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
1. Introduction
Rolling bearings are the most widely used general mechanical components in various rotating machines. Whether their operating status is normal often directly affects the perfo...[Details]
1 Introduction
Reliability research originated from weapon systems. After nearly half a century of development, it has become an engineering discipline that covers all disciplines and industri...[Details]
Introduction: Generally speaking, the power supplies used to drive today's high-resolution analog/digital converters have AC or DC loads of hundreds of ohms or more. Therefore, an operational ampli...[Details]