Authorized Online Retailers:

Buy from US Buy from UK Buy from DE Buy from IT Buy from FR Buy from ES Buy from JP

Authorized Online Retailers:


1 Overview

Water level  data detection is very commonly used in agriculture  and manufacturing industry.  In this lesson, we’ll learn how to read the water sensor to web browser .

2 Hardware connection

OSOYOO Basic board 1
Ethernet Shield W5100 1
USB Cable 1
Water detector sensor module 1
Jumper wires several
Breadboard 1

3 Hardware connection

Connect the water sensor module with OSOYOO Basic board  as following diagram.

OSOYOO Basic board water sensor module
A0 S
5V +

4)Software Installation:

Download the sketch file from

unzip the file and double click the w5100-lesson8.ino file, load the sketch into IDE.

Open your Serial Monitor, you can see your router will assign an IP address to your mainboard as following:

In above example, is the IP address of my mainboard .
Now use another computer or your cell phone’s  browser to visit url :
Your browser will show following result: