Arduino multi-mode lamp with soft touch switch

In this Arduino-based project, we will build a lamp with multiple light displays: color sequencer, dimming light, color chaser, firelight - all selected by a touch bar on the circuit board. All the functions are done in software, including the touch sensor, which is a unique feature. Step 1: What is needed? We will be going the minimalist way for this project, filling the board with just a microchip, the LE ...

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The Transistor Menace – Questions regarding an Arduino rgb LED project

I've been browsing this forum and the internet now for a couple of days and what I thought would be an easy side project turned into a (for me) quite complicated matter. I'm planning to build a mood light that consists of 12 common cathode rgb LEDs with each colour being controlled by an Arduino's PWM pins. In this diagram that has been posted here a while ago I found pretty much the outline for all that I ...

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Presentazione di Arduino al Cinema Palazzo

Siete tutti invitati domani sera (28 Settembre 2012) alle ore 18:00 a Roma presso il Nuovo Cinema Palazzo per un incontro / presentazione sulle tematiche dell’autoproduzione, digital fabrication e Arduino. L’evento di domani é l’inaugurazione dell’#arduinotour che vedrà workshop di Arduino organizzati qua e là in giro per l’Italia. Il prossimo sarà a Cava de’ Tirreni, ma stiamo per lanciare quello di Matera ...

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Scientists build thinnest-possible LEDs to be stronger, more energy efficient

Most modern electronics, from flat-screen TVs and smartphones to wearable technologies and computer monitors, use tiny light-emitting diodes, or LEDs. These LEDs are based off of semiconductors that emit light with the movement of electrons. As devices get smaller and faster, there is more demand for such semiconductors that are tinier, stronger and more energy efficient. University of Washington scientists ...

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HSM-20G temperature & humidity analog sensor + Nokia5110 LCD

Temperature and humidity measurement are always a nice addition to hobbyist projects. In my previous post, I’ve discussed the DHT11 sensor, which is capable of measuring both temperature and humidity. They are digital sensor and provide calibrated outputs with temperature and relative humidity. I’ve also demonstrated how to interface with Arduino and display it on 1602 LCD. Unlike DHT series, HSM -20G is an ...

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miniLOG – Precision Standalone Voltage Logger

miniLOG is a precise standalone voltage logger that save the data on a SD card. It has 4 basic analog channels: - one has 12bit resolution for voltage measurements, - two channels have 10bit resolution for voltage measurements and - one channel has 10 bit resolution for current measurements. Input voltage range is 0-25V and current range is 0-500mA. The data are written on a simple .txt file on SD card and ...

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Arduino Binary Clock (hours, minutes and seconds)

Hello everyone; I was looking for this project for a long time.  Finally I it it together with a lot of effort.  For this project you will need: [box color="#985D00" bg="#FFF8CB" font="verdana" fontsize="14 " radius="20 " border="#985D12" float="right" head="Major Components in Project" headbg="#FFEB70" headcolor="#985D00"] 1-   Arduino Uno ($30 from Radio Shack) 2-   RTC DS1307 (like $2 from EBay) 3-   2 S ...

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Remote Controlled lunaring with Arduino

Nothing puts the fun back into coding like watching your very own creations come to life in the physical world. Luckily, with the current glut of high-tech toys and electronic gadgets on the market, it's never been easier to experience the thrill of designing your own hardware by modifying what's already available. A great way to get into the hobby is to wander the isles of your local toy store or browse th ...

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Quick and Easy Arduino Compatible H-bridge Shield

In this instructable I will detail how I went about making a quick and easy, Arduino compatible, H-bridge shield. But first, a brief intro into what got me motivated to make it. A couple of years ago, I started wanting to learn more about micro-controllers. This led me to want to make my own robot, which then led me to Arduino. Then I wanted to make something move. It was then that I learned that in order t ...

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Arduino Wifi Shield is back on the store!

Overview The Arduino WiFi Shield connects your Arduino to the internet wirelessly. Connect it to your wireless network by following a few simple instructions to start controlling your world through the internet. As always with Arduino, every element of the platform – hardware, software and documentation – is freely available and open-source. This means you can learn exactly how it's made and use its design ...

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PC-350: Arduino Synthesiser

Contents 1 Aim 2 Research 2.1 Experimental Musical Instruments 2.2 Interfaces 2.2.1 Arduino and Nintendo Wii Nunchuck 2.2.2 Arduino and Nintendo DS Touchscreen 2.3 Sound Out 3 User Scenario 4 Development 4.1 Requirements & Analysis 4.1.1 Components 4.1.2 What I Need to Do 4.1.3 The program 4.2 Design & Implementation 4.2.1 The speaker 4.2.2 The touchscreen 4.2.3 Putting it all together 4.2.4 Finishi ...

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Using traces as resistors

A while ago I needed some small value resistors as current shunts and I started wondering about the feasibility of using traces as resistors. There are many theoretical reasons as to why copper traces make bad shunt resistors, but I found surprisingly little practical data. So with my next OSH Park order, I threw in a small test board: The traces are (from left to right): - 20 mil wide, 1221 mil long, shoul ...

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