ZIF socket Arduino-compatible board

In this tutorial we make an Arduino-compatible board that holds the microcontroller in a ZIF socket. Updated 18/03/2013 Today we are going to make a different type of Arduino-compatible board, one that has a ZIF (“zero insertion force”) socket. Our reason for making this is simple – now and again you may need to program more than one bootrom with a sketch, for example if you were planning to make your own e ...

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Bootload an ATmega Microcontroller & Build Your Own Arduino – 2

Since you lacked the USB interface in your own Arduino board, it becomes necessary to use a homemade/ready-made USB to Serial Converter Module as an efficient and economical solution. Inexpensive and easy-to-use USB to Serial Converter modules are now widely available, such as one shown here. With the help of this little module you can program your own arduino through a simple interfacing as described. Usua ...

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LANp – A DIY Arduino network controllable RGB lamp made from scanner parts!

This is something we have really been meaning to write up. A few weeks ago we ripped out an RGB LED from an old Canon Scanner that was laying around and going to waste. Since then we’ve been playing around with the RGB LED element and decided to put it to good use. We have come up with LANp – This is an Arduino and Ethernet Shield that controls an RGB LED colour real-time with a Javascript colour picker. Ta ...

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Simple Remote Data Plotting using Android / Arduino / pfodApp

Simple Remote Data Plotting using Android / Arduino / pfodApp This Instructable shows you how to plot Arduino sensor data on your Android mobile and capture it for later downloading to your computer.  These instructions are also avaliable at www.pfod.com.au No Android programming is required and very little the Arduino programming is needed. It is an extension of Simple Mobile Data Logging using pfodApp Ste ...

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How To Make a Simple Variable Frequency Generator Using Arduino

A frequency generator is a very handy device in electronic design, development, testing and trouble shooting. It is such a kind of device which can generate the required frequencies which can be then applied directly to the target device for testing it. There are frequency generators which can generate the required waveform like sine wave, saw tooth wave etc. but for normal applications the square wave gene ...

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Robot Army Starter Kit

A do-it-yourself Delta Robot kit that's fun to build, sharp to look at, and a great point of departure for your own project! Want to make your own delta robot? Do you support the global onslaught of adorable little yellow machines? If you answered yes to either of these questions... then we have the best product to offer you! The kit includes all of the delta’s mechanical pieces in grey and neon yellow plas ...

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Fun Hackable Speaker Timer

This is a fun speaker timer I made for some upcoming conferences.  It uses a 4-digit charlieplexed LED (pseudo 7-segment) display and is driven by a AVR ATMega328 or an Arduino.  It allows a default time to be set, can be paused, and will put out 5 Volts on several IO lines when 10, 5, 1, and 1 minutes are remaining.  This allows for some fun (say firing up a NERF rocket launcher as you get closer to quitti ...

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How to Build a Vibration Detector Circuit

In this project, we will go over how to build a vibration detector circuit.This is a circuit which can detect and measure flex, touch, vibration, and shock.The sensor we will use to detect these movements is a piezo vibration sensor from Measuremenet Specialists (MEAS). The sensors are a thin strip of piezoelectric material with a rivet in the end acting as a weight. When there is a vibration, the weight mo ...

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Uncompromising quality audio connectors for a compromising price

Long term reliable contact without interference, creaking and hum, moreover in a beautiful coat - these are the Neutrik / Rean connectors. Connectors have in general one interesting feature - there are many similar or almost the same connectors on the market. Audio connectors are not exception in this. Even though they look the same, many times there are huge differences in price and mainly in quality. If w ...

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Control an iPod with the Arduino

This tutorial will describe a way of controlling an iPod remote, and thus, an easy way of getting some music and sound out of your Arduino project. The remote we used was an unofficial remote I found on the worldwide auction site for around 10 USD, an opto-isolator can be found in your local electronics store. We used a TIL116 opto-isolator between the Arduino and the remote to safely send signals in betwee ...

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DIY: Arduino Based Ohmmeter

This is a project based on Arduino board which can measure the unknown resistance values and perform diode test and continuity testing. When we connect the unknown resistor on the breadboard circuit, the 16x2 LCD displays the resistor value and when we connect a diode the LCD displays the type of diode if it is a good one. When we take the probes out from the breadboard and connect it across a continuous pa ...

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Arduino Powered Four Letter Word Generator

Build an Arduino-powered version of the "Four Letter Word Generator" (FLW). This version generates "words" on the fly - it does not use a list. The "original" version from the 1970's used B7971 nixie alphanumeric tubes. These tubes are getting hard to find and they're certainly expensive. They also require interfacing with high voltage and an understanding of multiplexing. This version uses a slightly more ...

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