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Use a capacitive soil moisture sensor (it’s corrosion-resistant). If using a resistive type, power the sensor only during readings (use a transistor or MOSFET controlled by Arduino).

Ensure all jumper wires are firmly connected. Use short wires to reduce noise. Add a 100 nF capacitor between the analog pin and GND to stabilize readings.

Abstract: This paper investigates the use of a Kretschmann configuration Surface Plasmon Resonance (SPR) sensor with a hematite-protected silver film for detecting saline water. The sensor's ...

If you’ve ever come home to a soggy basement or found out too late that your kitchen sink or toilet has a slow leak, you know how expensive it can be to repair or replace carpets, flooring, and walls ...

If you equate winter with dry skin, sore throats, and congestion, then you may want to consider getting a humidifier for your home. “Outdoor weather conditions directly impact indoor air quality,” ...