Soil Moisture Sensor Arduino Code

When you hear the word smart garden one of the things that pop up to your mind is the automatic measurement of the moisture content of the soil.
Soil moisture sensor arduino code. It has a detection length of 38mm and a working voltage of 2v 5v. Interfacing soil moisture with arduino uno. A comparator activates a digital output when a adjutable threshold is exceeded. If you re building a smart garden that waters plants automatically and give you the readings of the wet.
This project is designed to monitor the water content of a soil by using soil moisture sensor. In this tutorial we have used the waveshare soil moisture sensor. Interfacing soil moisture sensor and arduino. Circuit diagram working explanation and program code for beginners.
It has a fork like design which makes it easy to insert into the soil. At the time we start writing the code we define 3 variables. It uses arduino duemilanove microcontroller board. This variable resistor is connected in a voltage divider configuration.
Arduino soil moisture sensor. Soil moisture sensor arduino. Two wires placed in the soil pot form a variable resistor whose resistance varies depending on soil moisture.