Water Level Sensor
With this module, you could easily get water surface level. It is useful in the cases that you need warning if liquid in the holder is less than or over certain amount. More conducting surface of this module in the liquid will conduct more electronic charge.
•Work voltage: DC3-5V
•Work current: less than 20mA
•Sensor type: ADC
•Detection area: 40mm x 16mm
•Workmanship: FR4 double spray tin
Serial.print("Water level Sensor Value:");