Cheapest PCB (circuit board) prototyping

What is a PCB? In common we can define PCB as the flat sheet of material that supports mechanically and electrically connects electronic components using conductive tracks, pads, and other features that are etched from a series of copper sheets that have been laminated onto a non-conductive substrate. This substrate varies from a cellulose-based material, fiberglass, or even flexible thermoplastics. Compone ...

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how to measure home ac current 110v / 200v with arduino

The cool thing about an ACS712 is that current is measured is measured in two directions.  What this means is that if we sample fast enough and long enough,  we sure to find the peak in one direction and the peak in another direction. With both peaks known, it is a matter of knowing the shape of the waveform to calculate the current.   In the case of line or mains power, we know that waveform to be a SINE w ...

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New development board runs Arduino, Linux and Android

UDOO is a new development platform designed to be compatible with Arduino, Linux, Android and the Google 2012 SDK. Its designers state that their goal was to bring together the best of Arduino and the Raspberry Pi in one platform. You can in fact plug Arduino shields into the UDOO and they will function just as if they were connected to an Arduino. Out of the box, UDOO runs a version of UBUNTU Linux. You ca ...

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Create laser range finder using arduino

[highlight bgcolor="ffbb00"]I have collected 2 methods to create laser range finder, one is very simple but for hobbiest the first one using arduino clock but it comes with errors. Its just to conceptulize how we can create range finder. The second one with the The 7558 and 7555 Series Rangefinder/Processor professional one. It uses already built kits we only have to use these to developer arduino based ran ...

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The Factors Need to Be Considered When Ordering Online

1.Instant Quote Some Online Manufacturers supply instant quote, so that people can get an approximate price for the boards they specified.In this way,the customers or the purchase team will know whether the price under their budget or not.It’s really convenient because they don’t need to contact with the sales.As i know,some online PCB Manufacturers such as allpcb,4pcb,wellpcb provide this service currently ...

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Audio Amplifier Circuit on PCB Using LM386

In this project, we tend to area unit getting to create a Headphone/Audio electronic equipment by exploitation self-designed PCB. This project is especially designed for amplifying the audio signal from the headphones however we will additionally use it for amplifying the subwoofer or speaker output, simply by switch few jumpers. When we use headphones with our audio device like mobile, laptop, FM etc. The ...

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