Hello, my name is Gregory and welcome to my website

Inexpensive Alternatives - GY-GPS6MV2


While most components you'll likely use with Arduino are relatively cheap, sometimes there's the odd part that comes at a premium that's outside your budget. Here's my experience with the alternative.

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Date: September 14th at 10:18am
Tags: Arduino, tutorial

Lyons Café


It's a great feeling to say I've finally finished my latest website for Lyons Café. To tell the truth, it's possibly the most cutting-edge website I've built so far, and I'm feeling pretty proud about it!

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Date: September 4th at 4:17pm

Introduction to the Yún


A few days back I had my first look at the Intel Galileo. Since then, I've had time to cast my eye over another remarkable IoT board - the Arduino Yún.

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Date: September 1st at 2:00pm
Author: Gregory Kelleher
Tags: arduino, intel, IOT

Web Development Tools & Guide


Building a site these days isn't as easy as when I started. Before, I could've been satisfied with just a html page, some basic css & maybe some javascript. These days I seem to be tripping up over a bunch of different technologies, all vying for attention.

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Date: August 21st at 8:44am

First steps with Intel's Galileo


Yesterday, I finally had the chance to set up my new Intel Galileo (Gen 2). Not an easy task as I found out!

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Date: August 17th at 11:12am
Tags: arduino, intel, IOT

How I made my robot


Settle in for a long read; today I wanted to write about how I built my robot - straight from scratch.

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Date: July 26th at 9:33am

Dublin Maker Faire 2015


Dublin Maker Faire was on and I brought my little rover along for the day.

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Date: July 25th at 5:29pm

Student Placement System


Not long ago I completed a vector logo for a software company as part of an in-house product they were working on.

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Date: June 13th at 8:00am

Primitive Motor Control Tutorial


When it comes to controlling motors using an Arduino, there's never a shortage of options. One such way is by using a small but capable integrated circuit like the SN754410. And here's why.

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Date: May 4th at 1:04pm

LED Display Driver Tutorial


There are many different ways of controlling LEDs using an Arduino and using a MAX7219CNG chip is one such way. You’ll most likely stumble across it much like I did once you’ve exhausted all your options using shift registers & ‘daisy-chaining’ begins sounding monotonous.

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Date: April 4th at 3:34pm
Tags: arduino, tutorial