Voltage Detection Sensor Module 25V

Voltage Sensor is a precise low
cost sensor for measuring voltage. It is based on principle of resistive
voltage divider design. It can make the red terminal connector input
voltage to 5 times smaller. Arduino analog input voltages up to 5V, the
voltage detection module input voltage not greater than 5Vx5=25V (if
using 3.3V systems, input voltage not greater than 3.3Vx5=16.5V).

Arduino
AVR chips have 10-bit AD, so this module simulates a resolution of
0.00489V (5V/1023), so the minimum voltage of input voltage detection
module is 0.00489Vx5=0.02445V.

Features:-

• Voltage input range: DC 0-25V
• Voltage detection range: DC 0.02445V-25V
• Voltage Analog Resolution: 0.00489V
• DC input connector: Terminal cathode connected to VCC, GND negative pole
• Output interface: “+” connect 5/3.3V, “-” connect GND, “s” connect the Arduino AD pin

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