After building the Mighty Mite amplifier project, I found that it needed something extra to give it character. I thought a nice Hendrix-style fuzz face would add a nice edge to the tone as well as allow some character to come along with low-volume playing. Well, what a universe unfolded when I started researching the internal workings of this devi
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ce. It is perhaps the perfect example of seeming simplicity masking amazing nuance and system complexity. The damn thing is just two NPN transistors and a few caps and resistors! However, you can spend days 1) trying to figure out how the circuit works and 2) weeks/months combing through the mountain of information on the net about components, modifications, what sounds good, what sounds bad, etc. I made it my goal to understand this enigma and build a good-sounding fuzz box out of 100% scrap and on-hand parts. No trip to the store, no expense. Nothing but some previously junk-parts and some wire and solder. Much of the wind that has been expelled about the fuzz face is about the transistors in use. Note that the fuzz face is a very old device. It is said that the Rolling Stones (I Can`t Get No) Satisfaction started the whole distortion/fuzz trend that quickly became the standard for Rock guitar. As early as 1968, hobbyist projects and articles in Popular Electronics were guiding the DIY crowd in building this simple device. That`s probably where the controversy started. Back in that day, transistors were made from a magical substance called Germanium This naturally occurring mineral was discovered to have semi-conductor properties when the Germanium crystals were "doped" or otherwise mixed with slight impurities. Soon Silicon replaced Germanium for several reasons including cost, manufacturability, and thermal stability....
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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