Guide

19 ROBOTICS ADVENTURE BOOK  SCOUTER MANUAL  STEM
Activity 7 – Sensing Moisture
Objective
• Lower the arm, and test for the presence of
moisture in a particular location
• Blink blue LED lights based on the test results
How does this get used
• Moisture is a necessity for life. Your prototype
needs to sample the ground at regular intervals
for the presence of moisture.
What you need to know
• Pin for moisture sensor
• How to raise and lower the arm to which moisture
sensor is attached
• Sensor values which indicate dry, moist, very wet
Extend / Challenge
• Chart out an area which contains sufficient
moisture to sustain life