Projects

Lego Calculator – a working digit!

I’ve been working on a Giant Lego Calculator using Lego Mindstorms EV3s to drive a large mechanical display. Here you’ll see some of the progress I’ve made in designing a working digit. I’m excited to show a much improved version of my previous design that is more readable, and has a nice cover made of(…)

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More work on digits

More work on digits

Some work in progress to cover up the internals of the digit mechanism with plates to only show the segment faces through. Not perfect yet. I need to make the frame more robust and come up with a clean modular way to cover up the face of each digit.  

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Update: a working Lego 7 segment display for my calculator!

Update: a working Lego 7 segment display for my calculator!

An exciting update on my Giant Lego Calculator project; I’ve succeeded in making a 7 segment display unit count upwards and also attached keys that change the value on the digit when you press them. This is a huge step forward after a lot of failed prototypes! Watch it in action In this first video(…)

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New project: a Giant Calculator!

New project: a Giant Calculator!

My latest project is to build a giant working calculator out of Lego. This is by far the most ambitious project I’ve taken on, and I’ll be blogging about my progress over the coming months. Why do I call it a ‘giant’ calculator? Because it’s going to be BIG! I estimate it’s at least one metre(…)

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Fun build – Lego Compact clock

This was a fun build I did over a weekend. I wanted a little challenge to tackle, something new I hadn’t tried before. I really like Nathanael Kuipers supercars, which he posts on his new website http://www.nkubate.com. But I also noticed he had a design for a compact LEGO clock. What appealed to me was the(…)

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Set up Dropbox in leJOS on the EV3

Set up Dropbox in leJOS on the EV3

Here’s a quick tutorial to add Dropbox support into a Java program in leJOS 0.9.0. It turned out to be far easier than I thought! Read on to discover how you can easily upload and download files to and from your Dropbox account from the EV3 in leJOS. Dropbox? On the EV3? The first thing(…)

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