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.

Specifications of DC Voltage sensor Module:

• 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

Related Links

• Arduino Voltage Sensor Module User Manual
• How to use Voltage sensor Module