CHAPTER -2 BLOCK DIAGRAM

 CHAPTER -2

 BLOCK DIAGRAM

 
2.1 BLOCK DIAGRAM 

The below block diagram shows an overview of the project: 


FIGURE 2.1.1 BLOCK DIAGRAM

 

2.2 PROLUSION OF HALL SENSOR

A hall-effect sensor as then name suggests works with the principle of hall-effect and is used to detect magnets. Each side of the sensor can detect one particular pole. It can also be easily interfaced with a microcontroller since it works on transistor logic.

So if you are looking for a sensor to detect magnet for measuring speed of a moving object or just to detect objects then this sensor might be the perfect choice for your project. 

2.3 PROLUSION OF ARDUINO NANO

The Arduino Nano is a small, complete, and breadboard-friendly board based on the ATmega328 Arduino Nano 3.0) or ATmega168 (Arduino Nano 2.x). It has more or less the same functionality of the Arduino. Due Milonov, but in a different package. It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one. The Nano was designed and is being produced by Gravy tech. 

2.4 PROLUSION OF BLUETOOTH MODULE

Bluetooth is a wireless technology standard used for exchanging data between fixed and mobile devices over short distances using UHF radio waves in the industrial, scientific and medical radio bands, from 2.402 GHz to 2.480 GHz, and building personal area networks (PANs). It was originally conceived as a wireless alternative to RS-232 data cables. To use Bluetooth wireless technology, a device must be able to interpret certain Bluetooth profiles, which are definitions of possible applications and specify general behaviours that Bluetooth-enabled devices use to communicate with other Bluetooth devices. These profiles include settings to parameterize and to control the communication from the start. Adherence to profiles saves the time for transmitting the parameters anew before the bi-directional link becomes effective. There are a wide range of Bluetooth profiles that describe many different types of applications or use cases for devices


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