The Projects:

DIYA Arduino Project 1a: Temperature Sensor

In this project we are going to create a digital thermometer to monitor the temperature of the aquarium.

DIYA Arduino Project2 2a: TDS Sensor

Monitoring the TDS in your aquarium is a simple yet essential practice for maintaining a healthy and thriving aquatic environment.

Notes:

Arduino Nano, Uno & Mega: How they are alike and how they differ

Differences between Arduino clone and the original

Best Arduino clones

Soldering headers to an Arduino