Development of wireless controlled fertilizer spraying robot

Ravindren, Logeshwaran (2021) Development of wireless controlled fertilizer spraying robot. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

In the farming sector, fertilizing the crops is very important from the early stage to ensure good quality products during the harvest stage. However, this process takes a significant amount of time and could impact other activities of farmers, which may decrease productivity. Traditionally, farmers utilize the splash tank with bare hands to splash the fertilizer. This technique may cause primary infections because fertilizers contain a chemical substance called Alkali (NH3). It may lead to dangerous diseases such as respiratory issues through inward breath and skin cancer in the long run. Therefore, a safer method is needed to overcome the problem. This project develops a fertilizer spraying robot that can execute the task on the farmers’ behalf. The robot will navigate on a farm and execute the tasks based on commands sent wirelessly using Bluetooth signals from a distance. The development of the robot is divided into two phases: hardware and software development. Hardware development involves building a moving robot with a fertilizer spraying system, and software development focuses on the mobile application. According to the testing the fertilizer spraying robot is able to connect with the mobile application via Bluetooth which can be control around 100 m of surrounding. Then the fertilizer spraying robot able to move forward, backward and able to turn left and right according to the signal given by the mobile application. This robot able to turn on the water pump to spray out the fertilizer and turn off the water pump to stop the spraying mechanism depend on the signal given by the farmer by using the mobile application. The implementation of the robot in the real application will be useful to farmers by reducing their work burden and minimizing the risk of human body injury due to direct contact with the chemical contents of fertilizer.

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