Voice Controlled Electrical Device:


Main Title: Voice Interface
Project: Voice Controlled Electrical Device Details
Developer: Md. Redwanur Rahman
Location: Dhaka, Bangladesh.
Date: 15 September, 2007

I am here to share knowledge with other. I am writing about voice
interface project. The people who are computer engineer will get help from this project.

Aim of this project:
Using your voice you can switch on/off a room’s light

Needed components:
6V relay, Diode two pieces (1N914), Transistor (BC547A), Adaptor 6 & 12 V,
12V light, Printer port cable (D25 Connector).

Circuit details:
Carefully see the circuit of this project. 6V relay is used to controlled 12v light and this relay is controlled by Transistor (BC547A) that’s base (B) is connected to printer port pin 2 and emitter (E) is grounded that also connect to printer port pin 18~25. Diode 2 is used for proper working of relay. When computer gives signal to pin 2 then relay switch and it switch the 12v light. Run the below program in visual basic and say “ Device On” then light will be on or say “ Device off” light will be off. Project is very sample and builds circuit carefully

Download this Project

Conclusion:
I developed this circuit and software that published in Cnews in Bangladesh. I am regular writer of Cnews, Computer Gajat and Computer tomorrow that’s monthly computer journal of Bangladesh.


 

Skilled computer interface hardware & software developer and awarded by national, international universities for developing various projects. Strong background in C, C++ and Visual basic programming.
Want to learn more about interface and Voice recognition Projects.
Visit:

Redwan's Programs
Bangladesh Computer Journal:
Computer Jagat


Bangladeshi Computer Journal:
C News


Bangladeshi Computer Journal:
Computer Tomorrow
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