A soil moisture sensor is used to measure the moisture content in soil and send it as output, so that the required steps can be taken after that accordingly. It is used widely in today’s world and serves its purpose pretty well. A soil moisture sensor module has 2 probes, a cable connecting them to the board, a comparator, an output LED, a power LED, potentiometer and 4 pins
How to use
A step-by-step tutorial – (https://youtu.be/pdKgvUGH4HY)
YouTube Video
Common Applications
1. Used in smart agriculture.
2. Can be used to automate the plant watering process.
Some example projects that students can try out in the ATL Lab
1. Design an Automatic Plant watering system using Arduino –
https://www.youtube.com/watch?v=iwkE_HWU-6M
Safety Measures to follow
1. Ensure that the probes are put correctly into the soil.
2. Try to avoid exposure to water for prolonged periods of time.
Important Links
1. How does a soil moisture sensor work (https://www.youtube.com/watch?v=FoO8ow9koFA)
