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Standalone Arduino / ATMega chip on breadboard

If you're like me, after I got my Arduino and performed a final programming on my first chip, I wanted to pull it off my Arduino Duemilanove and put it on my own circuit. This would also free up my Arduino for future projects. The problem was that I'm such an electronics newbie that I didn't know where to start. After reading through many web pages and forums, I was able to put together this Instructable. I ...

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10 Tiny Development Boards That Are Up to the Task

Not so long ago, the typical development board was big, bulky, and often handmade. Recently a flood of Lilliputian-size development boards has been released -- one for just about any need. We've assembled a collection of 10 boards so small you might lose them in the cushions of your couch.Click on to the next page to begin. The Femtoduino, an incredibly tiny Arduino clone, will use the Arduino compiler and ...

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3-Wire HD47780 LCD for less than 1 dollar

In this instructible we will learn how we can hook up an LCD based on the HD44780 chipset to the SPI bus and drive it with only 3 wires for less than $1. Although I will focus on the HD44780 alphanumeric display in this tutorial, the same principle will work pretty much the same for any other LCD which uses an 8 bit parallel data bus, and it can be very easily adapted to suit displays with 16 bit data buses ...

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Arduino RFID Door Lock

I wanted to make an easy and secure way to enter my garage. RFID was the best way to unlock my door, even with my hands full I can unlock the door and push it open! I built a simple circuit with a basic ATMega 168 arduino chip and a ID-20 RFID reader to control an electronic door lock. The circuit consists of 3 separate parts, a Reader to read RFID tags, a Controller to accept data from the reader and contr ...

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A Remotely Programable Relay Controller

What was that?  A Whats-a-Maja-Thimagig? Yep - One of those!  This Instructable extends my Arduino Ethernet controller to control a set of up to 6 relays, but that's not the neat bit.  The neat bit is that there is a web based state machine in the AtMega chip so that the relays will operate in whatever sequence with whatever timing you want - all by themselves. This allows you to have a set of relays connec ...

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An open source,faster,better prototyping standard

The Product: Sol-X developed the GDB to be the best open source prototyping platform on the market and we intend it to replace the Arduino Uno® as the preferred high-level prototyping environment. It is up to 40x faster, 70% smaller, has integrated high power drivers (capable of handling 12x the current), with more flexible Input / Output configurations, and yet is still much easier to program via 12 Blocks ...

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ATtiny programmer using Arduino ISP

For relatively small (less number of pins than ATmega328) projects, ATtiny series, ATtiny45 or Attiny85 are good choice in terms of its physical size (8-DIP or 8-SOIC)  and low power consumption. There are many ways to program it. One of the popular device is USBtinyISP and DASA. Both of them work very well with WinAVR (AVRdude). I'd like to share how I program ATtiny85 with JeonLab mini 1.3. The idea has b ...

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