ABSTRACT
This project presents a light activated switch for switching on and off electrical appliances
using light dependent resistor (LOR) for its operation. The light dependent resistor changes or
varies resistance with change in the intensity of light hitting its surface, this in turn is passed
through a comparator to determine if the light intensity can be said to be day through the
resistance entering the comparator. It can however be programmed to act as a light activated
switch or as a dark activated switch. In the case of this project, it is working as a light
activated switch. It is to turn on automatically when there are rays from the sun and it's to
turn off automatically when it is dark. As such, power wastage or accidental fire outbreak can
be avoided. Thus, the overall aim of the project is achieved.
In furtherance to this research, future works on improving the work is advised. This includes
making the LDR more or less reactive to sunlight. So far, the project also turns on and off
from direct rays from other sources of light. Carrying out advanced research to avoid this isvalso recommended.
FATAI, R (2021). Design And Construction Of A Light Activated Switch. Afribary. Retrieved from https://afribary.com/works/design-and-construction-of-a-light-activated-switch
FATAI, ROGUNDADE "Design And Construction Of A Light Activated Switch" Afribary. Afribary, 20 May. 2021, https://afribary.com/works/design-and-construction-of-a-light-activated-switch. Accessed 23 Nov. 2024.
FATAI, ROGUNDADE . "Design And Construction Of A Light Activated Switch". Afribary, Afribary, 20 May. 2021. Web. 23 Nov. 2024. < https://afribary.com/works/design-and-construction-of-a-light-activated-switch >.
FATAI, ROGUNDADE . "Design And Construction Of A Light Activated Switch" Afribary (2021). Accessed November 23, 2024. https://afribary.com/works/design-and-construction-of-a-light-activated-switch