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Water Based

Two little videos.

A little video from kitesurfing this weekend and one from last weekend at the Chew Solo Open.  The former is filmed using a W60 and the latter my iPhone4s. Given the quality of the iPhone […]

Arduino

Circuit 06 – Piezo Tunes

Having explored Motion, Light and Electrons we are now going to look at Sound using a simple circuit consisting of a single Piezo element.  Even though the output of the Arduino is digital because of its speed […]

Arduino

Circuit 05 – Shift Register

Shift Registers are a type of Integrated Circuit (IC) or chip.  The Shift Register is a serial to parallel convertor that allows us to control eight additional output pins with just three on the Arduino.  You can […]

Arduino

Circuit 04 – Servos

Servos can be used for lots of things where a great detail of control is needed such as steering RC vehicles, robotics and freaking out small children with moving dolls.  Standard Servos like the one […]

Technology

DIY Dropbox using WebDav

So I’ve long held back from signing into one of the free cloud resources due to concerns over privacy. I’ve used Google Docs for a few non-descripto documents but nothing more. However, having just placed […]

No Picture
Technology

Ubuntu Secure Server Setup

So we’ve had need to open a couple of ports on our home-server to the real-world. Its like letting a child out in the evening for the first time alone – you’ve no idea what […]