Professional kit for water analysis can be expensive, which is why [kutluhan_aktar] decided to design a portable, internet-connected water pollution monitor. Calibrating the system using a bowl of ...

Have you ever wondered how water flows ... While we could use a store-bought multimeter to measure voltage, building our own voltmeter out of an Arduino allowed us to create a system with the ...

[Carl] wanted to get more data out of his system. He managed to build his own monitor using an Arduino. The trick of this build has to do with how the system works. The panel includes an LED light ...