<![CDATA[Public Street Lighting (PSL) plays an important role in supporting safety, security, and comfort for road users. Therefore, an effective monitoring and control system is required to improve energy efficiency and facilitate lamp condition monitoring. This study aims to design and develop a street lighting monitoring and control system based on many-to-one and one-to-many communication using the NRF24L01 PA LNA module. The system consists of one master node and five slave nodes equipped with Photodiode sensors to detect ambient light intensity and BH1750 sensors to monitor lamp conditions. This research employed an applied research method with an experimental approach through system design, implementation, and testing. The results showed that the system successfully performed data communication between the master node and slave nodes effectively. The BH1750 sensor achieved an average error of 7.27% with an accuracy of 92.73%, while the Photodiode sensor was able to detect changes in ambient light intensity effectively. The NRF24L01 PA LNA module achieved a communication range of up to 103 meters with delays ranging from 2.41 ms to 20.42 ms. The system was also capable of real-time lamp condition monitoring and both automatic and manual lamp control. Based on the test results, the proposed system operated according to the research objectives and is feasible to be implemented as an efficient and centralized street lighting monitoring and control solution]]>
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