Introduction: Arduino Automatic Watering System

Picture of Arduino Automatic Watering System

First of hopefully many DIY arduino projects. I will show you how to build an automatic watering system. It will water plants for you when you not there. Although project is based on Arduino Nano there is no problem to build it with Arduino UNO.

Step 1: Watch the Video

Watch whole video. It will take you through nearly the whole project. You will find additional resources in the following steps.

Step 2: Complete Parts

Picture of Complete Parts

These are necessary parts and sample links where to get them.

Parts List:

Arduino Nano v3.0 https://rover.ebay.com/rover/1/711-53200-19255-0/...

SoilWatch 10 - soil moisture sensor https://pino-tech.eu/sw10

1602 LCD with I2C interface https://rover.ebay.com/rover/1/711-53200-19255-0/...

12V Peristaltic pump https://rover.ebay.com/rover/1/711-53200-19255-0/...

1/8 inch or 3mm internal diameter PVC tubing https://rover.ebay.com/rover/1/711-53200-19255-0/...

1/8 inch or 3mm connector https://rover.ebay.com/rover/1/711-53200-19255-0/...

IRLZ44N Transistor - https://rover.ebay.com/rover/1/711-53200-19255-0/...

breadboard - optional https://rover.ebay.com/rover/1/711-53200-19255-0/...

7x9cm perfboard https://rover.ebay.com/rover/1/711-53200-19255-0/...

2x100nF ceramic capacitor https://rover.ebay.com/rover/1/711-53200-19255-0/...

1x100uF electrolytic capacitor https://rover.ebay.com/rover/1/711-53200-19255-0/...

3x100k ohm resistor https://rover.ebay.com/rover/1/711-53200-19255-0/...

DC Socket 5.5mm/2.1mm https://rover.ebay.com/rover/1/711-53200-19255-0/...

2x tact switches https://rover.ebay.com/rover/1/711-53200-19255-0/...

female/female jump wires https://rover.ebay.com/rover/1/711-53200-19255-0/...

straight pin headers https://rover.ebay.com/rover/1/711-53200-19255-0/...

some wires https://rover.ebay.com/rover/1/711-53200-19255-0/...

Terminal Block Screw Connector 2-way https://rover.ebay.com/rover/1/711-53200-19255-0/...

Terminal Block Screw Connector 3-way https://rover.ebay.com/rover/1/711-53200-19255-0/...

power supply - https://rover.ebay.com/rover/1/711-53200-19255-0/...

box 100x80x40mm cotton buds/swabs - check locally first. This box may work but I can't guarantee https://rover.ebay.com/rover/1/711-53200-19255-0/...

Step 3: Assemble

Picture of Assemble

See attached schematics and pictures of assembled boards. If you are not comfortable with soldering build just breadboard version of the project.

Step 4: Upload Code

Upload sketch to your arduino board. Don't forget to install LiquidCrystal_I2C library.

Step 5: Enjoy Your Automatic Watering System

Picture of Enjoy Your Automatic Watering System

Play, modify and adapt to your needs. You can tweak Arduino sketch to suit your plant, soil type and pot size. Hope you enjoyed the project.

Check out my Youtube channel: http://www.youtube.com/user/pinolec

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