Home Automation Using Android Phone Over Bluetooth:
Modeling and implementing a simple telephone system involves understanding the basic components and functionalities of a telephone network. A simple telephone system can be created using analog technology, with basic components such as microphones, speakers, dialing mechanisms, and connection interfaces.
The components used for implementing the project:
Microphone
Speaker
Dialing Mechanism
Hook Switch
Hybrid Transformer
Modulator and Demodulator Circuit
Power Supply
Connecting Wires
Amplitude Modulation (AM) is a technique used in electronic communication, most commonly for transmitting information via a radio carrier wave. In AM, the amplitude of the carrier wave is varied in proportion to the waveform of the message signal being transmitted.
The main components that are used for implementing the project:
Oscillator Circuit
Microphone and Audio jack
Modulator Circuit : transistors, resistors , capacitors, potentiometer etc.
Antenna
Power Supply
The main components that are used for implementing the project:
Inductor
Capacitors
Diode
Switching Devices such as Transistors
Controller IC
Resistors
Heat Sink
The PCB layout has been designed using the Proteus Software
The components that are used for implementing the project:
Microcontroller Board
Six 7 Segment Display
Push Buttons
Resistors
Wires and Breadboard