DIY Auto Fertilizer

There were times when I completely forgot to fertilizer my planted aquarium. More so, if I were to go on vacation, I would need to find someone I trust to dose that tank. So, why not have a machine do it instead?! This project is very simplified as it only utilizes a single pump.

https://youtu.be/4LGvgf0YLbo

This page may include affiliate links
Tropiscape Aquatics
Tropiscape Aquatics
1st September 2024 in pets
DIY Auto Fertilizer
View:
Suggest Item
Use this list

Arduino Uno R3

Price (Amazon US)
$15.00
Price (AliExpress)
$5.00
Price (Temu)
$7.00
Arduino Uno R3

All Arduino Uno R3's are open source. This means that any company can create and sell their own version of the microcontroller. Basically, they're all the same more or less, but with different brand names attatched to it.

Arduino Uno R3 Kit

Price (Amazon US)
$60.00
Price (AliExpress)
$42.00
Price (Temu)
$27.00
Arduino Uno R3 Kit

This comes with a lot of additional parts if you're interested in going further with projects. This is overkill for the auto fertilizer.

Tactile Button Kit

Price (Amazon US)
$8.00
Price (AliExpress)
$3.00
Price (Temu)
$5.00
Tactile Button Kit

You need 6x6x8. However, it's cheaper overall to buy the full kit.

Mini Breadboard

Price (Amazon US)
$6.00
Price (AliExpress)
$4.00
Price (Temu)
$5.00
Mini Breadboard

MOSFET - RFP30N06LE

Price (Amazon US)
$8.00
Price (AliExpress)
$3.76
Price (Temu)
$10.00
MOSFET - RFP30N06LE

Flyback Diode - 1N4007

Price (Amazon US)
$5.00
Price (AliExpress)
$2.00
Price (Temu)
$3.00
Flyback Diode - 1N4007

IMPORTANT!

Dupont Wires

Price (Amazon US)
$5.00
Price (AliExpress)
$1.25
Price (Temu)
$2.00
Dupont Wires

Mainly need MF and MM Dupont wires. The shorter the wires, the better.

Alligator Clips

Price (Amazon US)
$5.00
Price (AliExpress)
$3.00
Price (Temu)
$3.00
Alligator Clips

Used as a replacement if you don't have soldering material for the pump.

Peristaltic Pump - 12V

Price (Amazon US)
$12.00
Price (AliExpress)
Price (Temu)
Peristaltic Pump - 12V

Need this exact model pump, as I modelled the case to fit this exact pump.

Tubing Connectors

Price (Amazon US)
$8.00
Price (AliExpress)
Price (Temu)
Tubing Connectors

In case you need some as the connectors that comes with the pump are a bit small. This link comes with 120 of them.

Standard Tubing

Price (Amazon US)
$5.00
Price (AliExpress)
$3.00
Price (Temu)
$4.00
Standard Tubing

This is just standard tubing. Nothing special. You probably already have some lying around.

12V 1A Power Supply

Price (Amazon US)
$6.00
Price (AliExpress)
$3.00
Price (Temu)
$5.00
12V 1A Power Supply

Do NOT go over 12V, or you risk damaging the Arduino!!! Needs to be at least 12 volts!

10kΩ Resistor

Price (Amazon US)
$5.00
Price (AliExpress)
$1.60
Price (Temu)
$3.00
10kΩ Resistor

This is for the tactile button.