The purpose of this project is to visually communicate the effects that frequencies have with each other. By expressing these frequencies into mirrors and magnets that have a laser beam shining across creates a visual representation of that electronics is about; math in motion. We wanted to have as much control of the math and add a little eye can
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dy. The most common outputs are Lissajous in nature. A harmonic SIN wave `jous of equal frequencies produce a perfect circle. When you start multiplying and dividing frequencies on either of the two axies, bends and twists occur. Strange patterns evolve as various attributes to the respective wave shapes are altered. Many times these changes seemingly create 3 dimensional images. Streching it over the time it takes for the image to be produced one may say that creates a Z, or time, axis as well. These `wireframe` images are mathematical in nature so it may qualify as being Fractillian in nature. This is speculated becuase of the presence of `knots` in the overall image. A `knot` is a point or area in which the most mathematical changes happen. Or it could be defined as a stationary point or area where a visual radiance is sourced from. We accomplish this by using an ac signal (a frequency) controlling the horizontal and vertical sweep of a pair of magnetic salvos. These salvos (also called scanners or x/y plotters) are equiped with mirrors that move with the corrosponding frequency (or audio) signal. Projecting a laser beam into the mirrors creates Lissajous and Quaderature patterns across the room and onto the wall. Any frequency sourse can be used to drive these mirror sets, including audio. Interesting patterns can be generated with music controlling both axies. How about a steady frequency controlling horizontal...
This project fits more for custom made battery casing that can have more space to hide things inside. This switch with few alterations can be used for any other project as well but is designed based on e-bike needs! This project use a clever functionality of....
The circuit described here uses ultrasonic oscillations and operates based on the propagation velocity of these oscillations in the air. Thus, we can easily determine the distance of two points if the time within which the wave travels this distance is....
Sometimes the precious metals are hidden too deep and are not detected except with complicated devices. In many cases, however, small pieces of precious metal buried near the surface can be detected by relatively simple means. Everyone is very attractive to....
Many times for various reasons we forget or can not water the plants that we have in our homes. And many humidity sensors units just notify us with a beeping sound or with a flashing light, that the pot needs watering. But what if we are away from home? This....
The principle behind a metal detector is really very simple. Proof of this is the circuit that follows, in which it proves that the construction of a metal detector can be done in the minute, with few components that we find very easily everywhere. With the....
The sub-harmonic bass generator is a sound producing unit for guitars. The sound it produces looks very much like that of the bass guitar. The octave generator is sometimes quite unusual since it does not produce any of the usual ways of coloring the sound,....
In the past the sounding (sea bottom measurement) was done with the "bullet", that is, with a heavy lead object that the seamen plucked into the sea hung from a calibrated rope. As soon as the "bullet" reached the bottom, the depth appeared directly from the....
This Amplifier was designed to have the following specifications: Distortion less than 0.1% at full power of 100W even at 20KHz. Power has to be attributed to an extended bandwidth. The output transistors must be protected against short circuits. The power....
A series of LEDs serve to alert the gardener when plants need water. Using two conventional digital integrated LEDs and a series of LEDs, we make a very useful device for gardening. The device detects the amount of water in the pot and alerts the grower.....
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