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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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Very simple and useful circuit for amplify the stereo signals .The circuit dissipates roughly 28...
The ^generator output is rectified then filtered and applied between the positive supply voltage...
This circuit is basically an op amp with an nal (±10 mV) between pin 2 and 3 and by extra input...
An 5 pole elliptic low pass filter (impedance: 50Ohm, -6dB cut off frequency 33MHz) connects the...
The Infrared emitter detector circuit is very useful if you plan to make a line following robot,...
In addition to providing an accurate input current limit, the LT1618 can also be used to provide...
The graphic equalizer shown here is based on the IC LA3600 from Sanyo Semiconductors. LA 3600 is...
The circuit is presented as a starting point - there will be some experimentation needed for each...
Why do I need C1 What does it do I don`t understand their role in the circuit. Why do I need C4...
More and more equipment is sold that runs off internal rechargeable batteries. Although a...
The circuit described below monitors your car`s brake lights, and indicates by a light emiting...
5 min circuit can continue to operate in the state of the power outage, the role to protect the...
FIG. 2A3A low direct thermal resistance transistor, its resistance is only 800, so the output...
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