Haha, let’s check for errors.The idea of this board:
1. Use 51 single chip microcomputer
2. Add a DS1302
3. A TFT LCD
4. 3 buttonsRealize LCD display: digital clock with temperature and humiditySchema...
Today I was using Altium Designer 16.0.8 to modify a PCB file. I found that every time I modified a pad or changed the layout, the copper pouring would automatically pop up a prompt to ask whether to ...
Operating environment: security monitoring system (video signal control) Main equipment: computer (capture card) + camera Transmission method: video signal cable (75-5) coaxial cable Requirements: 1 V...
I would like to ask you, what are the forms of power supply in the car? Is there a socket or USB? I am working on a system recently and want to use the power supply in the car? But I don’t have a real...
[i=s] This post was last edited by paulhyde on 2014-9-15 03:09 [/i] Design of pressure measurement and display module circuit based on single chip microcomputer control...
How is nleddrvr.dll generated in ce6.0? What is nleddrvr_lib.lib generated in the $CEROOT\PUBLIC\COMMON\OAK\DRIVERS\NLEDDRVR directory? SYSGEN_NLED = 1, WINCETARGETFILES=dummy in the SOURCE file? What...
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]
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]
The Mobile Industry Processor Interface (MIPI) Alliance is an organization responsible for promoting the standardization of software and hardware in mobile devices. It has released the D-PHY specif...[Details]
1 Introduction
Ultrasonic waves have strong directivity, slow energy consumption, and can propagate over long distances in a medium, so they are used for distance measurement. Ultrasonic detec...[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]
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]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
In today's body control module (BCM) designs, savvy engineers are moving away from electromechanical relays whenever possible. Their next step is to eliminate fuses. But is eliminating fuses a nece...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[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]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
DIY/Open Source Hardware
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