Ohm's law V, I, and R, the parameters of Ohm's law. where I is the current through the conductor in units of amperes, V is the potential difference measured across the conductor in units of volts, and R is the resistance of the conductor in units of ohms. More specifically, Ohm's law states that the R in this relation is constant, independent of the current.[3] The law was named after the German physicist Georg Ohm, who, in a treatise published in 1827, described measurements of applied voltage and current through simple electrical circuits containing various lengths of wire. He presented a slightly more complex equation than the one above (see History section below) to explain his experimental results. In physics, the term Ohm's law is also used to refer to various generalizations of the law originally formulated by Ohm. History In January 1781, before Georg Ohm's work, Henry Cavendish experimented with Leyden jars and glass tubes of varying diameter and length filled with salt solution. Scope .
Sewable Electroluminscent (EL) Wire Welted Piping- Aqua 5 meters ID: 675 - $19.95 EL Wire, also known as Electroluminescent wire is a stiff wire core coated with phosphor and then covered with a protective PVC sheath. When an AC signal is applied to it, it glows an aqua (blue green) color. It looks a little like thin neon. Very bendable, it keeps its shape and you can curl it around your finger. Its an easy way to add some glow to a project, not as bright as LEDs but uses a lot less power! This particular model is standard 2.3mm thickness EL wire, with a clear coat, pre-cut and soldered to a standard quick-connect EL wire. This is not our high-brightness EL (it wasn't available in piping form), so it is dimmer than the non-welted kind we carry. Often used for costuming, decoration, accent lighting, safety vests, bicycle/motorcycle/car/boat/home decoration, signs, etc! To use, the wire must be connected to an inverter that provides an AC supply of approximately 100V at 2000 Hz. We used EL wire to make our awesome TRON bag so check it out for ideas Please note!
Fade-Out Chair by Nendo The Fade-Out Chair has a simple shape made of wood for the back and acryl for the legs. Designed by Nendo, a Japanese designer, the design combine between modern and traditional design styles into one furniture of chair. The Fade-Out chair looks floating on the air because of its legs which seem to gently disappear. Design of Furniture PD5 series, China DIY fiber light Manufacturer & Supplier Basic Specification Detail Description Product name: Fiber optic DIY kitsItem No.: PD5-0.75-250Light engine: 5W LED light engine, with touching remote.Color: RGBFiber type and q. T. Y.: 0.75mm 250PCS at the length of 3mPackage: One set on card, 5sets/CTNApplication: Star ceilingOEM order is welcome Additional Information About Us Sichuan Huiyuan Plastic Optical Fiber Co. Sichuan Huiyuan Plastic Optical Fiber Co. General Information Export Information Productivity Information
Gear template generator program The gear template generator program is a program for printing paper templates for cutting out gears. It can do everything that the online gear template generator can do, and much more. Things that the offline gear template generator can do: Involute spur gears (spur, ring, and rack) Planetary gear sets (using ring gears) Calculate small gear tooth undercut shapes Lantern / cycloid gear pairs Block chain and roller chain sprocket calculations Print gears across multiple pages Show grids with diagonals to help align multi-page printouts Support for metric and inches dimensions Right angle gear mode see hereNo internet connection required Export DXF, HPGL, CSV, Sketchup, PDF and bitmaps For more details, see the Online help or watch the Demonstration VideoThe doumentation is also available in French but the program is English only System requirements: Windows XP, Vista, or 7 or 8.
HOW TO GET WHAT YOU WANT We have made some EL panel and EL wire controlling experiment. The first experiment is with EL sequencer from Sparkfun. The picture below shows how things are connected. EL sequencer has ATMega chip on it with arduino bootloader. So, you can program it like arduino. (it is same as lilypad 328 setup) To connect it to the computer, I soldered cable to the board and connected to USB FTDI connector (something like this) There is one trick.. since we used built in inverter, we needed to connect GND to GND (see the picture below). We tried to fade in/out EL panel and EL wire.. this was a bit tricky… Here is the arduino sketch we used >> We first tried with long EL wire, which ended up breaking one of the port. So, we tired to use our own Triac circuit. We used this Triac and schematic is something like this.. With this way, “theoretically” you should be able to light up as many EL panels and wires as possible, as long as you have enough power supply for each of them. Here is some videos.