[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...
Can I use a microcontroller to generate a programmable sinusoidal signal with a frequency of 1KHZ-4KHZ through DA? How can I generate it? Can you give me some suggestions? Are there any other methods?...
introduction
Since the beginning of the 21st century, the world of information has changed rapidly. Maybe a high-tech product will be released today and a better similar product will be releas...[Details]
A single-chip microcomputer is also called a single-chip microcontroller. It is not a chip that completes a certain logical function, but a computer system integrated into one chip. In general, a c...[Details]
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
At present, the traffic congestion in cities is quite serious. According to relevant news reports: In China, the traffic congestion has expanded from megacities such as Beijing, Shanghai, and Guang...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
Editor's note: In order to help technicians or engineers who have knowledge of PIC microcontroller assembly language quickly master the method of using C language to program PIC microcontrollers, t...[Details]
AD8205 is
a single-supply high-performance differential
amplifier
launched by
Analog
Devices of the United States
. The typical single-supply voltage is 5V, and its common-mode volta...[Details]
1. System Structure
This system is a simulation system of indoor air-conditioning temperature/humidity control system. The data acquisition and control center collects temperature/humidity...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[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]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[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]
Fruit planting is an important part of China's agricultural development, and fruit tree pest control operations are becoming more and more important. At present, the overall level of pesticide applica...[Details]
introduction
LEDs continue to gain popularity in automotive applications, thanks to their long lifespan and the flexibility they offer for body styling and interior design. Some may be surpris...[Details]
DIY/Open Source Hardware
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