Monday, September 25, 2023

Hydroponic Automation: Smart Watering System with NTP Scheduling

By Dr Geetali Saha and Urmil Prajapati

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efy tested

Considering the geographical location, some regions experienced temperatures rising to 48ºC during the peak summer season. In such situations, a hydroponic automation system, a water-based artificial farming setup that can be used mostly indoors, becomes essential for growing various crops.

However, a question arises: Is it possible to utilize the water used in hydroponics for an afternoon water shower, scheduling it with the help of the Network Time Protocol (NTP)?

Additionally, can we power the fogger setup to reach all the plants in the hydroponics system?

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Here we designed the Artificial Plant Water Showers To Beat The Heat!

At the end of the article, you can check the video to understand how this system works.

The components required to build a hydroponic automation system are listed below.

Bill of Material
ESP8266 (MOD1)1For programming
DHT11 (S1)1To sense atmospheric temperature and humidity
DS18B20 (S2)1To sense the water temperature
Peristaltic pump (P1)1To supply water to the fogger
Dual channel relay (MOD 3)1To control the peristaltic pump
Water flow valve (MOD 2)1To control water flow
Misting nozzle (N1)1To mistify the water for the water shower
6.4mm (¼-inch) barbed connector1To connect microtubes
6.4mm (¼-inch) microtube¾ metreTo connect peristaltic pump with the misting nozzle and water supply
Jumper wires (female to female)9To connect sensors and relay

Hydroponic Automation System – Block Diagram

Block diagram of Hydroponic Automation System
Fig. 1: Block diagram of the project

The base setup for this Hydroponic Automation project is located in room D204 of the Institute, with an approximate dimension of 9.3 square meters (100 square feet). The room is non-air-conditioned and does not receive direct sunlight.

The proposed setup aims to test the feasibility of using a 4-way fogger system with the assistance of NTP. We have also implemented on-off controls for the fogger using additional valves and a peristaltic pump for variable flow control.

Fig. 1 presents the block diagram representation of the entire setup.

Fig. 2 showcases the author’s prototype at different stages. The fogger on the left-hand side represents the commercially available product, while the modified set is displayed on the right-hand side.


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