Prototypes – for Silver

I am working on making a silver version of the cuffelinks. I ordered the prototypes in “Strong and Flexible Plastic” from the Wonderful Shapeways.com

They look excellent and I can not find any flaws in the design. I going to check over the next few days and then order ...

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Springs and yet more Springs

The prototypes are working fine, but occasionally the power is lost and the time resets. Looks like the only way I can solve this is to have a small spring to keep the battery connected.

I been looking around, googling and become a minor expert on springs. I need low ...

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Blender and Cuffelink

No, not putting the cuffelinks in a blender. I have been playing with Blender ( a free and open-source 3D computer graphics software product used for creating animated films and visual effects)

I used my models of the metal parts of a pair of cuffelinks and I have a nice video..

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Smaller, Brighter, Better

I made a new model. Smaller, brighter – the aspects have some separation, far better design – look less chunky.

The size compared to the last version, including a pound coin for reference.

I think I may prefer the Gold finish (old version) rather than the plain stainless-steel-bronzed look.

Full videos – to ...

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First Battery Change – Planning RGB

Had to do the first battery change on my RAG Cufflinks. I was aiming for three months, but only get just over four weeks. The voltage had dropped – such that the Green was not being displayed well. I have ordered green led (more expensive!) with a lower forward voltage. (Thanks ...

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Pelican

I been updating the PCB for my educational board. The back of the PCB contains a link to this page. The following links are for the software used on the board and the hardware of the PCB itself.

https://github.com/bmsleight/cuffelink/tree/master/software/micro/arduino/tiny_pelican https ...

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