Tag Archives: Case_7_2012

Conclusion

Some thoughts about a possible version 2.0 and our impression of the project. The mechanism must be redesigned, a possible solution is working with worm gears, so that the servos don’t need to generate a constant force. The friction between more »

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WHIST

Whist, which refers to the well known card game, is an interactive lamp build with play cards and a movable multiplex structure. Its organic shape and movement is inspired by nature. The 3 mm multiplex sheet is processed with the more »

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Design Report

Cartamundi_dossier

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Flowchart Final Code

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Lamp – User Interaction

The interaction between the user and the lamp that we programmed. This is not the only interaction possible. Use other sensors or program it in another way to create a totally new interaction with the user.

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Final Electronics

The idea is to make a lamp that gives functional lightning and not only mood lightning. The interaction is made possible by a sonar that register a distance between the hand and the lamp. Two servos with a torque of more »

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Inspiration Electronics

some inspiration and benchmarks to control the light that requires more than the 12V and 1OOOmA that the arduino is able to provide. We had some difficulties when trying to make it work. Our given information was not 100% accurate more »

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Arduino Code

Our first code was not intuitive at all. The opening was directly mapped to a certain distance. Which means you could go up and down 20 times this would result in the same as passing trough one time at the more »

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The motor mechanism

[text to come]

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Card holders

We looked at a way to attach the cards on the lamp and it turned out we ould have much more possibilities if all the rads are attached separately. With this in mind we designed some card holders and they more »

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Arduino servo and sonar test

Some test with arduino to link the sonar value to the servo action. César gave us some feedback and advice. We will adapt and rewrite some parts to optimise it. Code #include #include #define TRIGGER_PIN 12 #define ECHO_PIN 11 #define more »

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Arm prototyping with Cards

The bendable structure will work fine so time to find a way to attach our cards to it. First test with one card. A little bit hard to insert the card. We will increase the spacing in the next test.

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Arm tests Prototyping

As the polystyrene material was not durable enough we chose to continue with the wooden triplex (3mm). The bending is going very well but still not under control as it was with the ps structure. To get some control over more »

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Bending mechanism with multiplex

This picture shows an hinge made by cut-outs in wood. First test with this principle. We conclude this mechanism is very flexible and doesn’t break.

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Bending Mechanism

MDF Multiplex

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Test 1: bending mechanism Polystyrene (case7)

We made the support structure for the cards out of Polystyrene and did some test with it. For example, We variated the amount of cut-outs to see what happens. The strip angles are 2 and 3 degrees to obtain two more »

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Sketches

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Inspiration Leaves

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Prototyping the leaves

Looking for the right structure in the cards to create the leafs of the lamp.  

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Movable leafarm

Some test to find a way to open the lamp. Test 1: trying to create a movable structure for the lamp arms. Test 2: Placing the nylon string as close as possible to the centre. We can see the “arm” more »

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