At the core of any time-lapse camera rig is the controller – an “intervalometer” – but what all but the most expensive ones lack is the ability to configure a shooting schedule based on the time of day and day of week. And so it is that the “Intervalometerator” came into being. It’s the intervalometer’s intervalometer, hence the convoluted name we were quick to abbreviate to “intvlm8r”.

What is it? A completed "intvlm8r" is a Pelican case with a DSLR camera, lens, a control PCB, and a power source, bolted to something stable. Presented here it's suggested you'll want a solar panel, solar charger and a small SLA battery, but those are unnecessary if you have mains power. At its heart are two micro-controllers, each serving a specific purpose.


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Vertical axis wind turbine which generates 6W of power at wind speed of 20 m/s

As a first year mechanical engineering project we built a drag based vertical axis wind turbine. The turbine was tested at the University of Newcastle wind tunnel and generated 6W of power at a wind speed of 20 m/s. The turbine was made completely using hand tools, and within a budget of $100, plywood was used as the main structure. The turbine blades were made from large PVC pipe.


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This is a project to build a 3D-printed replica, life-sized BB8 model from Star Wars.

A Long Time Ago, in a Galaxy Far, Far Away... Star Wars Celebration 2015 With the exciting new Star Wars movie coming out Disney & LucasFilm showed off a droid unlike any we had seen before. The a number of R2D2 builders and a dedicated group of fans formed the BB-8 Builders Club, with the intention of constructing their very own BB-8.


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First prototype of a desk fan that can be controlled by hand gestures instead of a switch around the back.

With many fans you have to reach around the back to turn them on and off. Using a simple infrared sensor this fan can be turned on and the airflow adjusted by pushing or pulling at the air. In the middle of the fan is a sharp infrared sensor. Some string is tied to the grill so air movement can be seen in a video. Warning - This sounds super annoying .


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Made with bits borrowed from other projects, Mr Hairy attempts to navigate around things. He has a single infrared sensor mounted on a servo to scan for obstacles. Main components are an old Arduino Duemilanove, a Pololu Qik 2s9v1 serial motor driver and two 30:1 low power micro motors.


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"Tank Bot" is a simple autonomous tracked robot. He navigates over slightly rough terrain avoiding dangers like plants and fences. He is made from Tamiya tracks, twin motor gearbox and uses a Pololu A-Star micro as the brains.



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I liked the idea of the bristle bot as it is a very simple entry to making a robot for small children (although beware the button battery). It introduces a child to ideas of movement and balance. You can play around with different toothbrushes to see how the bristles affect direction, and change the placement of the battery and motor to affect how straight the robot travels.


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This is an oldie but a goodie. Using simple things such as a plastic cup, textas, blutack, a battery and a motor this bot runs around making its own unique pattern that can be changed just by changing the weight attached to the motor or by moving the motor position


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This little palm sized robot drives around and tries to avoid things. I made this to see what can be done with little Solarbotics motors and the limited pins on the PICAXE 08M chip but didn't plan ahead so ended up with a lot of crazy soldering.