YL-38 Moisture Meter (YL-69 Sensor)

Read the soil moisture level (Dry-Perfect-Wet) and display results on a corresponding LED.

Nov 21, 2018

27665 views

7 respects

Components and supplies

1

5 mm LED: Green

1

YL-38 Controller and Sensor YL-69

1

5 mm LED: Yellow

3

Resistor 100 ohm

1

Arduino UNO

1

5 mm LED: Red

Tools and machines

1

Solder Flux, Soldering

1

Solder Wire, Lead Free

1

Soldering iron (generic)

Apps and platforms

1

Arduino IDE

Project description

Code

YL-38/69 Code

arduino

Soil_Humidity_Tester.ino

arduino

Downloadable files

YL-38/69 Schematic

YL-38/69 Schematic

Soil_Humidity_Tester

Soil_Humidity_Tester

Comments

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tsino

2 years ago

Nice ending "Marijuana Soil Humidity is: " haha what about to add a Buzzer when the soil is too dry?

chocochunks

2 years ago

Sounds like a good idea. You may just have to replace one of the LED's and its resistor with a Buzzer.

Anonymous user

3 years ago

what would it take to convert this to arduino nano?

chocochunks

2 years ago

Nothing at all. It's almost a straight swap. The pins are configured differently but it's basically plug and play.

tsino

6 years ago

Nice ending "Marijuana Soil Humidity is: " haha what about to add a Buzzer when the soil is too dry?