Archive for February, 2008

Hacked HexBug for Drawing Machines.

Friday, February 29th, 2008

We where asked to make a drawing machine for our Drawing Machines class tought by David Nolen. This is my creation, a hacked hexbug from radioshack that marked the path that the little machine traveled.

drawing machine

drawing machine


Solar Tree Prototype

Wednesday, February 27th, 2008

To make sure that I am on the right track before spending a ton of money on flexible solar cells. I am making a prototype of one out of the many branches that will make up the tree itself. The current branch that I am making is made up of 5.5V, 22mA flexible solar cells. I made pairs wired in series and then wired all the pairs into a parallel circuit. The output of this solar cell circuit at full sunlight should be 11V, 132mA which is 1.452W. I then attached this circuit to a branch that I found in Washington square park. Eventually I hope to make the actual tree and branches out of plastics or metals.

In the image below I have the solar branch prototype and a sound device(Voicepad) . The sound device will be used to make ambient sound every time a person walks close to the tree.
solar branch

This is a close up of the sound device.

To control the device, I am thinking about using an Arduino and an Infrared sensor.

Solar PV Tree Concept

Wednesday, February 20th, 2008

Solar power is a form of energy that is not being harnessed to its full potential. Our energy consumption today is aided by only 0.04% solar photovoltaic(PV) energy. Our total energy consumption is around 15 terawatts a year and the available energy we can harness from the sun is around 89,000 terawatts. In the US alone we have available 1800 kWh/m2/yr (kilowatt hours per squared meter a year) of solar energy that we are just starting to tap into.

Because of this great energy potential I decided to begin the construction of my next project; a solar PV sculpture that reassembles a tree that I will call “PVE-Tree.”

The tree will be made up of solar flexible solar cells that are 5% efficient and wired together in series and in parallel to convert solar energy to electric. The system will connect to a solar charge controller that will then charge a battery in the day time. At night time the electric system in the tree will reverse and use the battery power to light up LED bulbs installed in the leaves of the tree. I am still debating weather I will install a sound system to the tree that will make the sounds of birds in the afternoon and of crickets at night time.

This is an illustration of what the tree will look like:

PV Tree Concept

More Cup Art

Friday, February 8th, 2008

Here is some more cup art:

Piece drawn btw. Feb. 6 and 7, 2008

cup art

Piece drawn on Feb. 6, 2008:

cup art

This is a cup from Feb. 1, 2008:

cup art

cup art

cup art

New Processing Art

Friday, February 8th, 2008

These are two pieces done in processing that produce a gestural image. I will be showing these in the Drawing Machines class:

Cup Art, Re-using Paper Cups

Friday, February 1st, 2008

I decided to take a step in the direction of conservation, in the coffee cup area. I noticed that I drink a lot of coffee and every time a buy a cup, I’m contributing to the amount of waste being discarded. No only that but someone somewhere is cutting down a tree to make more cups that I can eventually throw away.

A week ago I managed to re-use the same cup for 4 consecutive days. While the cup was in my possession, I started doodling on it and ended up with a composition that included drawings, partial notes and coffee stains. I found it so astonishing and beautiful that I decided to start collecting these cups and see what comes of it.

This is the first cup of the series:
cup art

Living Art: Pet Car

Friday, February 1st, 2008

The Pet Car is a finite state machine that allows a pet, such as a gerbil, mice, chinchilla, etc. be contained in a space and roam around the floor at the same time.

The transportation unit is designed to have three states. The neutral state, where there is no motion. Mobile state 1 is when a switch is triggered by the pet moving to one side of the car which enable a motor to make a car travel towards that direction. Mobile state 2 occurs when the pet moves to the opposite side of the car triggering a second switch which reverses the car’s direction. The car is propelled by a 12v DC motor which is attached to the bottom of the car and liked to the axle of one of the sets of wheels. The motor is power by two AA batteries.

pet car

This is a video of the prototype but instead of using a pet, we are using a battery to illustrate the point.