Week 3

Automated Irrigation using Arduino

In this example, a set consisting of the following elements is used to automate plant watering:

Take 2 female to female wires and connect the humidity sensor to the humidity sensor module as follows

Put the humidity sensor module, Arduino Uno R3 controller, relay module, pump and breadboard in one place as follows

Connect the comparator, Arduino Uno R3 controller, relay module, pump and breadboard as follows

Connect the battery compartment to the relay module and breadboard

 5.1 Uploading Code to Arduino Uno R3 Controller

• Download the code and copy it to the Arduino IDE (development environment) on your computer [ download code ].
• Connect the Arduino Uno R3 controller to the computer using a cable with USB-A and USB-B connector (such as for example, connecting a USB printer; blue cable in the figure)

Instructions for uploading the code to the Arduino UNO R3 and watering the plants are presented in the following video:

Solar battery

Connect LED, switch and solar panel as follows

Place the wires for the LED, switch and solar panel under the roof of the house. Place the LED, switch and solar panel in the areas shown in the picture

Use thermoplastic adhesive and double-sided tape to join the parts: 

Conclusion

On this project, the students developed their interdisciplinary skills, together with the design of smart functionality. The idea of this project is one of the solutions for the irrigation system. To continue the project, we recommend that students consider automating solar-powered home lighting. In the future, students can test their model using Arduino.

Assessment

PBL based  assessment criteria:

Problem-based learning is a teaching method in which students acquire knowledge and skills, working on one project for 4 weeks, to research and find an answer to a genuine, interesting and complex question, problem or challenge. (follow the  link)

For project grading, in the first week, provide this material (PBLrubrics) to students in order to:

– the students previously understood by what criteria they need to prepare,

– pupils were able to independently assess their colleagues.