Build a network clock (NCLK) with Microduino-RTC

The resolvent of clock synchronization over internet. by PKJ, The web−based clock management system allows you to monitor clock status from wherever they are and centrally change settings. and this small device is built with PoE technology, thus IP clocks get their time, data and power from the same network that supports your other IP endpoints. Author: https://www.facebook.com/pan.kejia Editor: https://www ...

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TFT Display with microSD breakout board using arduino

128X160 pixels in 18 bit color with a microSD breakout board courtesy of Adafruit Industries You can purchase the 18-bit color TFT LCD display with microSD card breakout kit (part# ST7735R) from Adafruit Industries This tutorial from Adafruit is for a 1.8" diagonal TFT display & microSD breakout board. This breakout is the best way to add a small, colorful and bright display to any project. Since the di ...

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SPI Interfaces using Arduino

Update (6/7/2012) – I’ve had to disable comments on this post, because it is being targeted by spam bots for some reason. Please use the contact page if you have a question about this topic. [box type="note" color=" #202020 " bg="#ffbb00 " font="verdana" fontsize="14" radius="20 " border="#000" float="right" head="Attributes"]Thanks to Jeremy , for this articles[/box]   In this week’s arduino tutorial, ...

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Awesome button, and then some. usnig arduino

Many of you have probably seen the Awesome button done by Matt Richardson of Make Magazine. If not here is his video which was very well done and was the inspiration of my project. I liked the idea of having a button to press for a certain function on the computer, however i wasnt such a fan of having a $5 button, and a $16 microcontroller operating only one function. So my project differes in a few ways. I ...

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UV exposure and PCB wytrawiarka

Quite by accident I came across a long time ago on video in YouTube, which focuses on domestic production of PCBs. Personally, I am convinced that it is better to perform the PCB in a professional company - you know: aesthetics, double-sided layout, descriptions, solder mask, tin holes etc. But for small, home projects, not specifically require it. Do not forget that it comes to the cost of a few dozen gold ...

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Secret Knock Detecting Door Lock using Arduino

Protect your secret hideout from intruders with a lock that will only open when it hears the secret knock. This started out as a bit of a joke project, but turned out to be surprisingly accurate at judging knocks. If the precision is turned all the way up it can even detect people apart, even if they give the same knock! (Though this does trigger a lot of false negatives, which is no fun if you're in a hurr ...

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The Soil Temperature Sensor using arduino

You are building a soil temperature sensor. We need a waterproof thermometer that we can burry in the soil. The sensor is made up of a small circuit enclosed in a piece of heat shrink (to waterproof it). Supplies: (see the parts page) an LM335 temperature sensor a 33K and a 56K resistor a short piece of glue-lined heat-shrink tubing soldering iron and solder lead wires The circuit for the actual sensor This ...

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Arduino RFID Card Reading

Finally! It’s been about 3 months since my last arduino tutorial – I’ve been keeping busy as usual. I’ve been working on this one for some time. I got the parts months ago, made an outline a few weeks ago, prototyped the circuits and wrote the code last week, and did the filming over the last few days. [box type="note" color=" #202020 " bg="#ffbb00 " font="verdana" fontsize="14" radius="20 " border="#000" f ...

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Arduino – One Wire Digital Temperature Sensor – DS18B20

The one wire Digital Temperature Sensor - DS18B20 from Maxim (formerly Dallas) is a great chip for measuring temperature in your projects. Luckily, there is a Dallas Temperature library for the arduino which makes using this sensor very easy. The most recent version of this library can be found at http://www.milesburton.com/?title=Dallas_Temperature_Control_Library We used version 3.6.0 for this tutorial wh ...

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Traffic Light Stoplight LED Scarf – Safety Scarf of Righteousness using arduino

Multipurpose like a traffic light, this one keeps you warm and blinks to make you more visible in the night.  Stop traffic with this fun scarf worn around your neck. Repurpose a dollar-store bicycle safety flasher to embed in the scarf.  Simulates the light changing pattern and does other fancy sequences.  No arduino needed. The technology is borrowed from the earlier Lithium Rain Radiant Beacon of Righteou ...

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Arduino Bike Speedometer

Monitor your road speed using the Arduino. This project uses a magnetic switch (also called a reed switch) to measure the speed of one of the bike's wheels.  The Arduino calculates the mph, and send this information out to the LCD screen on the handlebars as you ride.  It is compatible with any kind of bike/wheel, simply enter the radius of the wheel in the firmware to calibrate the device for your setup. P ...

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Xmega eXploreGO – a new module with ATXMEGA mcu and mp3 support

Przedstawiam nowy moduł MOD-20.Z Xmega eXploreGO od Modułowo, z mikrokontrolerem ATXmega128A4U i dekoderem MP3 VS1003B. Moduł posiada dodatkową pamięć DataFlash oraz złącze karty microSD. Istnieje możliwość podłączenia modułu Bluetooth oraz dwukierunkowego modułu radiowego nRF24L01. Moduł można programować przez USB lub programować/debugować, korzystając ze złącza PDI, wyprowadzonego na brzeg płytki. Wszyst ...

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