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Automatic Solar Lamp

Year: 2026

Type: article

Abstract: The automatic solar lamp system offers a simple yet effective solution for autonomous outdoor lighting. The design employs a transistor-based switching mechanism controlled by a Light Dependent Resistor (LDR), enabling the lamp to turn ON and OFF automatically according to ambient light levels. The LDR functions similarly to the human eye by detecting illumination intensity and triggering the switching circuit without any manual intervention. This eliminates the need for predefined ON/OFF timing and significantly reduces manual effort. By relying on solar energy and intelligent control, the system minimizes electrical energy consumption, providing an efficient and sustainable lighting approach. The proposed circuit incorporates an Light dependent sensor (LDR), solar panel, rechargeable battery, transistor, potentiometer (POT), resistor, capacitor, and LED, forming a compact and reliable automatic lighting solution.

Source: Zenodo (CERN European Organization for Nuclear Research)

DOI: 10.5281/zenodo.19060094

Authors: Mohammed Naveed, Md Riyaz Patel, Md Numan, Sanjeev Kumar R A, Megha Upase

Language: English

Topic: Engineering and Technology Innovations

Subfield: Electrical and Electronic Engineering

Field: Engineering

Domain: Physical Sciences

SDGs: Affordable and clean energy, Industry, innovation and infrastructure

Open Access status: green

OpenAlex ID: W7138437804

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