Project Idea
This innovative project displays spoken messages directly on an LCD screen using a Bluetooth-enabled Android phone. No manual typing is needed. Just speak, and the message appears instantly—ideal for places like schools, railway stations, and offices. The 8051 microcontroller processes the voice-converted text and displays it via an LCD, creating a smart and fast communication system.
Components:
8051 Microcontroller
Bluetooth Module (HC-05)
16x2 LCD Display
Crystal Oscillator
Resistors, Capacitors
Transistors, Diodes
Cables and Connectors
Push Buttons, Switch
LED Indicators
Transformer/Adapter
PCB and Breadboards
IC & IC Sockets
Software:
Keil µVision IDE
Programming Language: Embedded C
Android App (Voice to Text)
Project Features:
Android-based voice input
Wireless message transmission
Real-time LCD display
Easy-to-use Bluetooth interface
Microcontroller-based processing
Reusable for different types of announcements
Fully assembled and tested kit
Ideal for practical learning
Applications:
Railway station notice displays
Schools and colleges
Corporate offices
Emergency alert systems
Smart classrooms and automation systems
Seminar halls and auditoriums
📦 Project Includes:
Fully assembled and tested circuit
Circuit diagram
Source code
(For DIY KITs - only the components will be provided)
Project Types:
- DIY KIT(Do IT YourSelf KIT) - We are providing only components in this kit for this project
- DIY KIT with Code & Circuit Connections - Along with the components, you will get the Code and the Circuit Connections file to help you build the project easily.
- Readymade Breadboard - We are providing fully assembled, tested and ready-made project using plug-n-play jumper wires and breadboard with all the other components, code & circuit diagram.
- Readymade Soldered - We are providing fully assembled, tested and ready-made project soldered on a PCB with all the other components, code & circuit diagram.
Dimensions:
Length: 20 cm
Width: 15 cm
Height: 6 cm
Shipping Dimensions:
Length: 25cm
Width: 20cm
Height: 10cm
Notes: All the products are made by LearnElectronics India and not for re-sale.

