[i=s]This post was last edited by Autumn Qinhu on 2022-10-16 20:17[/i]The RF amplifier is powered by a DC-to-DC power supply chip. It is found that the load current of the power supply chip will affec...
[i=s]This post was last edited by Ma Tianma on 2019-2-14 11:02[/i] I have 4 24*18 P2.5 full-color LED dot matrix boards. Let's see what can be done? How to drive? I want to make a 3-row mobile screen ...
The AC voltage signal (A1 channel) that needs to be collected is about: 0.5v~2.5v VR+ = VCC and VR- = VSS // MSP430G2553 // ----------------- // /|\| XIN|- // | | | // --|RST XOUT|- // | | // >---|P1....
How can I read the configuration data of vxWorks in Windows? Both binary and text readings are incorrect. I would like to ask for your advice. Thank you!...
Dear HELLODSP members: Thank you for your support of HELLODSP! In order to make HELLODSP better serve you and let us hear your voice, we are holding the "2008 HELLODSP Membership Survey with Prizes" a...
Do you often have to add brake fluid to your car's brakes? The fact that you need to pump out the brake fluid to make sure there is no gas in the brake fluid line may not be done by the car owner h...[Details]
For a long time, due to the limitation of hardware conditions, the display devices of traditional small handheld devices such as PDA are usually monochrome LCD, and the user interface is very simpl...[Details]
Instrument stepper motor
The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non...[Details]
1. What is temperature?
Heat is a type of molecular motion. The hotter an object is, the faster its molecules move. Absolute zero is defined as the temperature at which all molecular motion ...[Details]
On the afternoon of July 10, Beijing time, Taiwan's largest chip designer MediaTek expects its smartphone chip shipments to grow by double digits in the third quarter of this year, and the company is ...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
At present, a large number of cooling tower fans, speed fans and special fans are in use in petroleum, chemical, pharmaceutical, metallurgical and other enterprises. Some fans have no monitoring in...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
Abstract: In order to realize wireless automatic alarm and monitoring of major safety places, based on the basic principle of pyroelectric infrared sensing, a detector for receiving infrared radia...[Details]
introduction
When it comes to the production of mobile phone lithium-ion batteries, the first thing that comes to mind is Japan's industrialized mechanical assembly line, NOKIO, MOTOLROLA's st...[Details]
The most important components of new energy electric vehicles are power batteries, electric motors and energy conversion control systems. The power battery must achieve high performance such as fas...[Details]
1 Introduction to the overall system solution
The hardware part is mainly used to amplify the sound. When the sound is loud enough, the signal can be introduced into the microcontroller for de...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
RF/Wirelessly
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