SMART TECHNOLOGY BASED ON LDR AND SMARTPHONE FOR LIGHT INTENSITY MEASUREMENT

Muhammad Iqbal, Ahmad Julfan Lubis, Herdianto Herdianto

Abstract


Measuring sunlight intensity is an important aspect in various fields, such as renewable energy, agriculture, and scientific research. However, existing light measurement devices are often expensive and not portable. This research aims to develop smart technology based on Light Dependent Resistor (LDR) sensors integrated with smartphones as an efficient and economical solution for measuring light intensity. This system is designed using LDR sensors to detect changes in light intensity, which are then processed through a microcontroller and transmitted to a smartphone using a Bluetooth connection. The smartphone application serves to visualize data in real-time, store measurement results, and allow users to analyze light intensity patterns. The test results show that this system is capable of measuring light intensity with adequate accuracy compared to standard devices. Additionally, this solution offers high portability and ease of access, making it suitable for use in various field situations. With this innovation, it is hoped that light measurement can become more inclusive and practical in the digital era.

Keywords


LDR Sensor, Light Intensity, Smartphone, Smart Technology, Light Measurement.

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