Single Chip FM Transmitter
Posted on May 19, 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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This is a small but quite powerful FM transmitter having three RF stages incorporating an audio...
The circuit will come handy when you have to follow the mains wires buried in the wall or even...
When the lines SDA (Serial DAta) and SDA 'are logical '1', the circuit is at rest with the result...
In a single difference amplifier configuration, the AM-427 exhibits excellent common-mode...
This system can be used with 4-, 6-, or 8-cylinder automobiles. The timebase formed by IC5 is an...
Ever Imagined controlling your home appliances using your cell phone. You can find a lot of...
The video amplifier in the diagram is a well-known design. Simple, yet very useful, were it not...
This system is a Drag Race timing system centered around a micro-controller. The system consists...
Using an MC25060V2 fan, and I`d like to switch it on and off through software occasionally (i. e....
Here is a very simple, inexpensive and interesting project which provides lot of fun to a home...
Want to make some stuff that fits your car or motor cycle Then here is a simple musical horn...
Many of my friends asked me for automatic on off led circuit or led flashing circuit so here I`m...
The first versions operated from ±15V supplies, featured bandwidths of 50 MHz, and delivered slew...
The phone is a Siemens S65. The official charger that came with the phone says 5V at 420mA....
The Traffic light controller section consists of 12 Nos. point LEDS are arranged by 4Lanes in...
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Discharge time relay circuit The timer field effect tube, and therefore have a high timing...
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