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The TwitALU as a display piece

The TwitALU has gained massive interest from it’s exposure on several technology blogs including the famed It has also been well received on it’s outings to the DigiMakers Raspbery Pi boot-camp events at @Bristol.

Members of the Electronic and Electrical Engineering department will be glad to hear that the TwitALU is finally being mounted on a wall in the Merchant Venturer’s Building and will soon be up and running for all to play with :). See if you can work out where it is!

TwitALU Hanging Out

TwitALU Hanging Out


It’s done!

The TwitALU in it's entirety.

The TwitALU in all its glory..

It’s been a long time since we’ve posted but the TwitALU is finished! It has already been shown off at the University of Bristol Open Day and the DigiMakers event at At-Bristol (review).

After the break are a few videos and photos of the TwitALU in action!

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Here Come the Relays – Clickety Clickety Click…

1-Bit Relay Adder

1-Bit Relay Adder

Now that we have a Twitter Arithmetic Logic Unit, we can begin the fun stuff! Although 7400 logic is a classic platform for logic circuits, there is still an air of mystery about what goes on inside those little black chips. The advantage of 7400 logic is that it’s incredibly easy to use and the variant that we’ve chosen (74HCT) is super speedy.

But don’t worry, the Twittithmetic Logic Unit (TLU) isn’t just a PCB with a few black boxes. The core aim of the TwitALU project is to make computing rhythmically audible and visually entertaining. This is where the adder module comes into its own.

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Our Inspiration – The Wooden FPGA

Back in March 2013 a house-mate, Jeremy and I took part in the Bristol Mini Maker Faire representing Hack Kids where we had the task of using our skills to produce an interactive electronics project that would inspire young people to enter the world of electronics.

Bristol's HackKids doing their thing

Bristol’s Hack Kids doing their thing

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Great work guys! You’ve already surpassed the pinnacle of modern photonic systems.

Quoted from Prof. X