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 Karla Harper
3.3V Not compatible
I have tried this with ESP32 and ESP8266 which supply 3.3V and use 3.3V logic without success. I had to use a boost converter for the power and a voltage divider to get the output in the right range. Don't trust your rain sensor to work at 3.3V.
- Decent performance
- Expensive
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