0-25v Electronic Voltage Test Special Bricks Dc Sensor 5pcs/lot Arduino Detection Module

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5pcs/lot Voltage Detection Sensor Module Test Electronic Bricks DC 0-25V for ArduinoDescription:This module is based on a resistive divider principle design, make the interface terminal input voltage reduced 5 times, Arduino analog input voltage up to 5V, then the input voltage of the voltage detection module can not be greater than 5V × 5 = 25V (if used 3.3V system, the input voltage can not exceed 3.3Vx5 = 16.5V). Because Arduino AVR chips used in 10 AD, so the resolution of the analog module is 0.00489V (5V / 1023), so the voltage detection module detects a minimum input voltage of 0.00489V × 5 = 0.02445V. Voltage input range: DC0-25VVoltage detection range: DC0.02445V-25VVoltage Analog Resolution: 0.00489VDC input connector: Terminal cathode connected to VCC, GND negative poleOutput interface:+ 5V or 3.3V- GND S Arduino AD pins Reference code: # include <Wire.h> int val11; int val2; void setup () {pinMode (LED1, OUTPUT);Serial.begin (9600);Serial.println ("Emartee.Com");Serial.println ("Voltage:");Serial.print ("V"); } void loop () {float temp;val11 = analogRead (1);temp = val11/4.092;val11 = (int) temp ;/ /val2 = ((val11% 100) / 10);Serial.println (val2);delay (1000); Package included:5 X Voltage Sensor

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0-25v Electronic Voltage Test Special Bricks Dc Sensor 5pcs/lot Arduino Detection Module