Voltage Sensor Module For Robot Arduino DC(0-25 V)
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- 100% brand new and high quality
- Quantity:1pc
- Size: 25mm×13mm/0.98"×0.51"(approx)
- TThis module is based on principle of resistive voltage divider design, can make the red terminal connector input voltage to 5 times smaller.Arduino analog input voltages up to 5 v, 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.
- Voltage input range : DC0-25 V
- Voltage detection range : DC0.02445 V-25 V
- Voltage analog resolution : 0.00489 V
- Output Interface : "+ " connected 5/3.3V, "-" connected GND, "s" connected Arduino AD pins
- DC input interface : red terminal positive with VCC, negative with GND
- By 3P connector, connect this module with the expansion of board Arduino, not only makes it easier for you to detect voltage battery, can also use the IICLCD1602 LCD to display voltage.
- 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);
}
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