Voltage Sensor Module


This DC Voltage Sensor Module is essentially a 5:1 potential divider circuit built using precession resistors for high accuracy.

The Arduino analog input is limited to a 5 VDC input.  If you wish to measure higher voltages,this module allows you to measure voltages of 0-25V. Keep in mind, you are restricted to voltages that are less than 25 volts. More than that and you will exceed the voltage limit of your Arduino input.

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  • Voltage input range : DC 0-25 V;
  • Operating voltage output : 3.3V – 5V MAX
  • Voltage detection range : DC0.02445V – 25V
  • Voltage analog resolution : 0.00489
  • Output Interface : “+ ” connected 5/3.3V, “-” connected GND, “s” connected Arduino AD pins
  • DC input interface : red terminal positive with VCC, negative with GND


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