Radio and communication circuits 2
Posted on Feb 4, 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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A bar graph driver IC LM314 drives anXED display. The LEDs may be separate or in a combined...
The input signal is amplified by the transistors. The distorted output is then clipped by the two...
This receiver is built around a uPC1373 IR remote-control preamplifier, a sensitive 30-to-40 kHz...
For the full bridge inverter circuit i planned to use IRF2807 (75V Vds, 82A Ids) and Two IR2110...
The cell we will use for our solar tracking experiment is made from crystalline silicon and has a...
This circuit runs a fast battery test without the need of power supply or expensive moving-coil...
If you use a lamp with a motion sensor for outdoor lighting, the original electrical switch is...
A device used to generate different types of electrical waveforms over a wide range of...
The flash that is built into digital cameras is designed for indoor photography. At subject...
This type of travel may be possible if two space points can be connected by a vortex channel in...
Circuit works: When the water tank level is lower than said point, F., F2 consisting of RS...
As shown by the 12kHz 12kHz IF oscillator quartz oscillator, the output level adjustment,...
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