AM Transmitter circuits
Posted on Feb 7, 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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This project has two features. It will let you know when a single phone is using the line and...
The LED predriver output pulses an external transistor which in turn, switches on the infrared...
This circuit uses a comparator as a Schmitt trigger (311H) and two active bandpass filters...
Here`s a circuit of 7 Watt audio amplifier that is very simple and very easy to build. This...
I use a 12V 20W halogen lamp (MR16) and a 4. 2Ah SLA battery for my bike light system. The...
Dynamic microphones are versatile and ideal for general-purpose use. They use a simple design...
The Q meter has been an essential piece of equipment for laboratories engaged in the testing of...
The recent Epilog Laser Challenge at Instructables. com got me thinking about building a low cost...
This is the most simplest and single transistor FM wireless transmitter circuit that ever posted...
The op-amp IC1D shapes the frequency response to amplify those frequencies produced when motion...
The purpose of this project is to develop a self sufficient Mailbox (real one) that will be...
This audio mixer circuit uses an LM3900 IC but is not a profesional audio dj mixer. The IC houses...
Most thefts happen after midnight hours when people enter the second phase of sleep called...
The SciSys Leonardo and Saitek Galileo and Renaissance chess computers could be connected to a PC...
A pulse booster circuit When you need to increase the pulse amplitude, pulse boost circuit can be...
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