Development of Arduino-based hydroponic system with user input function

Lee, Ricardo Eik Wen (2019) Development of Arduino-based hydroponic system with user input function. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Planting has always been a hobby that many adopt due to it provide relaxation and a great pass time. However, restrictions such as hectic working hours, expensive lands and limited space makes people relinquish the idea. This project proposes an automated hydroponic system controlled by an Arduino-based microcontroller that can monitor and control pH level as per user input. This systemdoes not require soil to cultivate, thus reduces used space and hydroponics can provide water infinitely. The most tedious task for hydroponics is maintaining pH level but it can be solve by implementing a microcontroller that acts as pH controller. The system shall operate independently for task such as mixing hydroponic solutions with correct proportion, water circulation and pH regulation after inputting the desired value into the system. The results of this project development shows that Arduino-based hydroponic system functions as per objective requested. The controller uses an Arduino Mega 2560 and the pH regulation was controlled by interacting with a pH sensor and peristaltic pump that dispenses pH reducer. As stated, the Arduino-based hydroponic system is a successful attempt at solving the problems above but the external factor must take into consideration when trying to evolve the system.

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