Radio circuits built
Posted on Feb 6, 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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It consists of a 4047 low-power monostable/astable multivibrator, IC1, used in the astable mode...
In the absence of radiation, no current is drawn. At normal background radiation levels the power...
Power supply with driver TEA1507 is mostly used by TV branded PHILIPS. Power Supply has an...
Having your Arduino control higher-power devices like lights, motors, pumps, doors, and many more...
The Magnitude Comparator is a type of device which compares the two 4 bit binary inputs and...
An infrared remote control tester circuit that can be made without spenting much money. This IR...
Here is a simple head phone amplifier circuit that can be used to drive your head phone if your...
Certain part of this circuit is directly connected to AC mains. Therefore, do not touch whilst in...
The preamplifier is very simple. I used a Low Noise integrated circuit manufactured by Hewlett...
This metal detector circuit diagram is based on the TDA0161 monolithic integrated circuit,...
The Sennheiser Dummy Head Stereo recording was a huge breakthrough in the concept of recording at...
This is an alarm circuit which will go off when any motion or movement is detected. Once it...
AC adapter circuit It shows portable digital products AC adapter circuit, the low voltage DC into...
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