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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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Now-a-days every institution needs automation. As a part of college automation, we have decided...
The power supply, with electronic stabilisation - mainly those of laboratories - it should they...
A very simple circuit, that will find application in the case where you have a lot of telephones...
This project is built on the third section of the PC board, identified by "SIREN" and "Project...
The system is designed to regulate an 860 watt lamp load from half to full power. This is...
In the production field, realize the automatic detection of the water level and control a...
This project really works with water. I don`t know how can I use this but you know that I like...
A 12 volt relay is connected between the two stages in a way as when it will get 12 volts from...
The orientation of the camera at launch is looking out the side of the rocket and during descent...
This simple pc scope probe is nothing more than a fet follower. It has a high input impedance and...
Here is the circuit diagram of a simple stepper motor controller using only elementary parts. The...
This circuit generates a two-tone effect very much alike the cuckoo sound. It can be used for...
A central door locking system permits all doors, often including the boot lid or tailgate, to be...
The core of any transmitter is usually an oscillator circuit, and in simple transmitters (i. e. ,...
A portable CD player, radio, cassette player, a couple of microphones and PC sound card. I am...
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