A light-emitting diode (LED) is a semiconductor light source. Because of their small size, they are great for placing in clothes. This was not always the case, though. Early LEDs were low-intensity red diodes. Modern LEDs can be not only red, but also bl...
Resistance, one factor of Ohm’s law, is the counterpart of the the electrical current and opposes the current, hence its name. In Ohm’s Law, V=I*R, the resistance is measured by R=V/I. For example, if the Voltage is 5V and the Current is...
Georg Simon Ohm. He thought up one of the most important tools used by electricians all around the world, The resistor. In a schematic the resister is a zigzaged line. The resistor blocks out a certain amount of electricity letting the remaini...
At first I was looking for normal tilt swithes but then I looked up tilt switches on wikipedia and found out there is mercury in the original tilt switches. The (mercury\tilt) switch has a small drop of liquid mercury inside. Mercury is conductive since ...
Multimeters, which have existed since the 1920’s, are simple but crucial tools for people interested in building and testing electrical circuits. They can measure voltage, current, and resistance, all characteristics which are integral in Ohm’...
Yesterday I made touch-sensitive fabric shaped like a frog. It works with six pieces of fabric and two sheets of aluminum foil. First four layers of fabric in the shape of the switch are made. Then, two sheets of aluminum foil are cut in the same shape,...
Today we started to code the lilypad arduino, to play sounds out of a piezo speaker. Using a looping code to keep it running, I added six separate tones, three of which had random pitch and delay. Being absent the previous day, I had to cram more learning...
Yesterday we built fabric switches by first cutting out the shape we wanted the switch to be. Then we cut out two pieces of foil with legs sticking out and we cut a hole in the middle of a piece of fabric and we glued it all together so when you presse...
On the 13th, we constructed fabric casings for piezos, which are small buzzers that can emit tones when powered. My casing happened to be in the visage of pac-man, and was constructed around the piezo, which had been removed from its original plastic ca...
Today I made a speaker. I started with a small speaker, broke the casing, and used speaker inside. I also made a bag pouch for it. It works by vibrating and it can be connectexd to an arduino microcontroller to make music. With programming it can play no...
Fabric switches, simple, easy, reliable, and used in wearables very often. A simple fabric switch consists of three layers of cloth and two sizable pieces of aluminum foil. One layer of the cloth has a small hole in the middle of it. the two pieces of a...
Wensday and Tuesday we made a fabric switch that that can let current through with aluminum foil by pressing in the middle of it, it happens because the switch is layered with fabric and aluminum.
Yesterday, our class began preparing to program piezos, small, circular devices capable of making different sound pitches. We started out by making simple fabric switches out of aluminum and stylized cuts from regular clothing. These would serve as ...
We use a thing called a piezo that makes noise by programming the sound, the faster it is the higher the sound and when it was slow it was ticking. I put the piezo in a little pouch that I had made myself and attached it to the arduino then I programmed...
On the 13th, I created a fabric switch based on a 1/0 switch. it was constructed of circular fabric, with a hole in the center of where the zero is. Three layers of fabric arranged in such a way separate two layers of foil, with two connectors. By pr...
