Maker Advisor

Best Tools and Gear for Makers

Soil Moisture Sensor (YL-69 or HL-69)

The soil moisture sensor or the hygrometer is mostly used to detect the humidity of the soil. It is perfect to build an automatic watering system.

eBay - Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino
eBay - Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino
$2.17
in stock
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eBay
Amazon.de - 5pcs Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino
Amazon.de - 5pcs Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino
€5.89
in stock
as of May 26, 2025 12:54 pm
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Amazon.de
Amazon.es - Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino (5 pieces)
Amazon.es - Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino (5 pieces)
€5.99
in stock
as of May 26, 2025 12:54 pm
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Amazon.es
Amazon.co.uk - Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino (3 pieces)
Amazon.co.uk - Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino (3 pieces)
£7.99
in stock
as of May 26, 2025 12:54 pm
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Amazon.co.uk
Banggood - Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino - CN warehouse
Banggood - Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino - CN warehouse
$9.99
out of stock
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Banggood.com
Amazon.com - 5pcs Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino
Amazon.com - 5pcs Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino
out of stock
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Amazon.com
Aliexpress - 5pcs Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino
Aliexpress - 5pcs Soil Hygrometer/ Soil Moisture Sensor YL-69/HL-69 For Arduino
$2.24
out of stock
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Aliexpress

Learn how to use the YL-69/HL-69 soil moisture sensor with Arduino: Guide for Soil Moisture Sensor YL-69 or HL-69 with Arduino.