Audio Line Driver Circuit
Posted on Aug 16, 2012
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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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The circuit is a MOSFET based linear voltage regulator with a voltage drop of as low as 60 mV at...
The piezo speaker, MICl, picks up the incoming ultrasonic signal and feeds it to the base of Ql....
Many electric cars are able to convert the momentum of the car into stored energy in batteries,...
The other transistor (T2) is controlled by the current flowing through the resistor (R1). If a...
This circuit confuses the infra-red receiver in a TV. It produces a constant signal that...
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This simple low power dc to ac inverter (dc to ac converter) circuit converts 12V DC to 230V or...
The normal telephone bell, at times (specially during night when one does not want to be...
The circuit described here was designed as an addition to a remotely controlled garage door...
This project article was originally written in 2004 when most computers had parallel ports. This...
This circuit is a laser alarm system like the one we see in various movies. It uses a laser...
A MFM Encoder works according to the principle of time shifting and phase shifting. This method...
Metal enclosure, forget the plastic case they sell, it`s nearly useless. ( I made a box from...
Application circuit works the device as shown below. Generally shared TV antenna amplifier and...
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