The Gravity: Analog Voltage Divider V2 can detect the supply voltage from 0.0245 to 25 V. This module is based on resistor divider principle. The voltage detection module allows the input voltage to reduce 5 times.
As the Arduino analog input voltage is normally a maximum of 5 V, the input voltage of the analog voltage detection module can not exceed 5 V x 5 which is 25 V.
