Using TV Remote to Control Electrical Lights and Fans - Competency Demonstration Report

COMPETENCY
DEMONSTRATION REPORT
Career Episode 1

CE 1.1 Project Information
Name of the project: Using TV Remote to Control Electrical Lights and Fans
Location of the project: [PLEASE FILL]
Project Duration: [PLEASE FILL]
Organization: [PLEASE FILL]
Role and Designation during the time: Team Member
CE 1.2 Project Background
CE 1.2.1 Characteristics of the project
I aimed at developing a product that can enhance the effort of the individuals through
introducing the project that can be utilized for controlling the electrical appliance such as fans
and lights using the TV remote. I proposed the idea of a system that can be helpful in providing
regulation against the input power supply. The speed or intensity of the load can be possibly
controlled through manipulating the RMS voltage across the load through utilizing the triac
circuitry or in other words manipulating the corresponding firing angle at the triac’s gate. The
project was developed for allowing the individuals to operate fans and lights using TV remotes
from anywhere within the short range distance.
CE 1.2.2 Objectives developed for the project
Following objectives were set in manner to allow the team members to concentrate and
move towards the same path and deliver the project successfully:

To build a system that can control the intensity of electric bulb using TV remote
To build a system that can allow controlling speed of fan using TV emote
To accomplish the project within expected timeline
To keep the budget low as much possible
CE 1.2.3 My area of work
I had to play role of a team member and thus, I had to accomplish my roles and
responsibilities as assigned by the team leader. I was assigned for the development of the project
design and develop the electronic circuit that will be applicable for the system application. I had
to look after the entire circuit connections of the system and assure that the project is going in the
same direction as it was expected. I had to assure that the developed design will allow the users
to control the intensity and speed without any problems and issues. I used the triac circuitry for
allowing the circuit the circuit to control these parameters through manipulating the output
voltage and RMS voltage across the triac circuit in manner to manipulate the output voltage and
thus control the parameters. Developed the following block diagram for the proposed system: