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PROJECT DESCRIPTION

The main intention of the project is to display a message virtually by circular movement of a set of LEDs mounted upon a PCB ona high speed motor shaft.

The proposed system uses a microcontroller of the 8051 family and a rectified-power supply.  A string of LEDs are interfaced with the microcontroller for displaying the information. An IR sensor pairis interfaced to the microcontroller for detecting each rotation forthe system to display the message.

The entire circuit is mountedon a rotating motor shaft and thus display the message virtually  usingonly a line of LEDs based on the program coded in the microcontroller. As this circuit is fixed to the rotating motor, it is not possible to give the power supply to the microcontroller circuit. So, the power is supplied wirelessly using a high-frequencypower transfer. The high frequency transformer is used for developing the high frequencies to transfer the power wirelessly for developing DC thereafter for the circuit.

 

 

 

PROJECT HIGHLIGHTS
Propeller Display.
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
BLOCK DIAGRAM
Hardware Requirements
  • Microcontroller
  • sensors
  • Resistors
  • Capacitors
  • Diodes
  • Transformer
  • Voltage Regulator
  • Transistors
  • LEDs
  • Motor
Software Requirements
  • Keil compiler
  • Language: Embedded C or Assembly.
Q & A
Q:  Can we change the messege displayed?
A:  Yes, the message can be reprogrammed at the user end.
Q:  What is propeller display?
A:  Propeller display is mechanically operated rotating set of LEDs to virtually display characters / a message in digital format
Q:  How should one feed text to the display?
A:  It is pre-defined but is changed as per the user on demand
Q:  What is the motor rating used?
A:  6V motor rating is used.
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