Harmonics
Posted on Feb 5, 2014
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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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this tone generator can be used to control your robot. you will need to use the tone decoder for...
Leaving aside the complex chargers, "stuffed" electronics capacitor charger is one of the best...
Circ?it to close a relay when any phone extension is off-hook. Uoltage at the gate of the MOSFET...
A1 amplifies and regulates the signal from the spark coil. A2 converts frequency to voltage so...
The oscillator is a standard UHF design which delivers about 10 mW at 1.2 GHz. R1 and R2 bias the...
Many applications require highly efficient negative-voltage post regulators with low dropout...
This circuit is a simple battery-powered switching regulator provides 5V out from a 9V source...
This is a simple alarm circuit for a checkup with a 4001. It can be used to protect our home,...
The DA24DS is a double speed (up to more than 96kHz) version, slightly smaller and cheaper than...
This is a project of a ding dong door bell circuit using 555 IC. In the previous article we have...
The PCB we have made is big and has plenty of space for cutting and adding other bits and pieces....
The LM317T is an extremely common positive voltage regulator - many laboratory supplies and other...
Power-saving electronic mousetrap This example describes the usual minimal power consumption,...
CIC2851E refrigerator closed circuit principle reminders The circuit consists of step-down...
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