Multi-Task Farming Robot with Sensor-Based Smart Sprayer

A compact, low-cost, multi-task farming robot integrating ploughing, seeding, fertilizing, leveling, irrigation, and sensor-driven precision pesticide spraying has been successfully designed, fabricated, and experimentally validated. The Arduino Uno R3 microcontroller, aided by a TCS3200 color sensor and HC-05 Bluetooth module, delivers reliable autonomous disease detection and remote operational control within a single robotic platform. Experimental results confirm that all farming operations execute without failure, with the color-sensor spray system achieving reliable detection accuracy on all test leaf samples. The system reduces dependence on manual labor, eliminates blanket chemical application, and provides an accessible entry point into precision agriculture for small and medium-scale farmers. Future enhancements will explore GPS-guided autonomous navigation, solar energy harvesting for extended operational autonomy, IoT-based remote field monitoring, and replacement of the color sensor with a deep-learning vision module to broaden the range of detectable diseases beyond color-based symptoms.

[1]  A. J. Patel, N. R. Shah, and P. M. Patel, "Design and Implementation of Smart Farming Robot Using Bluetooth Technology," Int. J. Eng. Sci. Comput., vol. 07, no. 05, May 2017. [2]  D. K. Sharma, R. Gupta, and P. Sharma, "Wireless Controlled Agricultural Robot for Smart Farming," Int. J. Eng. Res. Appl., vol. 06, no. 09, Sep. 2016. [3]  A. Ramesh, S. Prakash, and R. Kumar, "Development of Autonomous Agricultural Robot for Crop Monitoring," IJSRCSE, vol. 06, no. 02, Feb. 2018. [4]  S. Ghumman et al., "AI-Based Precision Agriculture Robot," Int. J. Artif. Intell. Smart Syst., vol. 16, no. 06, Jun. 2025. [5]  D. Guri et al., "Modular Reconfigurable Agricultural Robot System," Int. J. Mech. Eng. Robot. Res., vol. 13, no. 02, Feb. 2024. [6]  S. Kar et al., "Autonomous Line-Following Agricultural Robot," Int. J. Robot. Autom., vol. 11, no. 04, Apr. 2023. [7]  Karthik S. et al., "Development of Multi-Functional Agricultural Robot for Farming Operations," Int. J. Mech. Eng. Technol., vol. 09, no. 03, Mar. 2021. [8]  Linta Joseph et al., "Autonomous Agriculture Robot Using IoT Sensors," IJIRT, vol. 08, no. 07, Jul. 2020. [9]  Neelambika et al., "Multifunctional Agricultural Robot for Soil Digging and Seeding," IJSRD, vol. 12, no. 01, Jan. 2024. [10] Rupali Patil et al., "Smart Farming Robot with ESP32 Controller," Int. J. Innov. Technol. Explor. Eng., vol. 09, no. 02, Feb. 2022.