Review on π‘οΈ 3-Pack of HiLetgo LM393 Rain Drops Sensor with Weather Moisture Monitoring, Humidity Sensitivity Module, Nickeled Plate for Arduino, 3.3-5V Compatible by Amy Wheeler
Rainwater is a poor conductor of electricity
Unless it rains dirty in your area, you need to build a circuit that will set off the alarm. Rainwater is a poor conductor of electricity. It is basically distilled water created by the earth's water cycle. There are ways to build a circuit on the internet. It's up to you to do the research and do it. It's easy and cheap and the most fun way to learn!
- It's okay!
- Negative signal present
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