Review on ๐ก๏ธ 3-Pack of HiLetgo LM393 Rain Drops Sensor with Weather Moisture Monitoring, Humidity Sensitivity Module, Nickeled Plate for Arduino, 3.3-5V Compatible by Rey Hossain
Easily adaptable: humidifier parts and accessories
Fulfilling the need for a sensor that can be placed in hard-to-reach places (inside a stud wall) to test for moisture ingress, an application which does No module required connected to the sensor to use Arduino. Simply use the included wires to connect to an ohmmeter that reads "infinity" or "open circuit" until the drop blocks the traces on the sensor. I wrapped the sensor in the top of a cotton sock to absorb moisture.
- Sensitivity adjustment via potentiometer
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