Soil Moisture Sensor Example Project

Introduction

I say, if your knees aren’t green by the end of the day, you ought to seriously re-examine your life. ~Bill Watterson, Calvin & Hobbes

Green-thumbed techno junkies rejoice!  For today, we’re going to take an introductory, prototype look at what it takes to digitally monitor the soil moisture content of a common houseplant so we know when to water it.  We’re talking about using a single board computer to read from a soil moisture sensor from an Analog to Digital Convertor (ADC) and toggle an indicator LED using Digital Input and Output (DIO). Specifically, we’re going to be using a TS-7250-V2, but this guide can apply to many different boards.

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