In Focus

Test Battery Life With Arduino Mega 2560

In this article I have explained about testing the life of a Battery in Arduino Mega 2560.

Introduction
  • In this article I have explained about testing the Life of Battery in Arduino Mega 2560.
  • It can be used in TV remotes and Flash lights and can also be used to check the power of battery.
Parts Of Lists
  • Arduino Mega 2560
  • Battery  
  • LEDs
  • Hookup Wires 
Connections

Step 1: Connection of Battery to Arduino Board
  • Connect the Battery positive pin to the Analog pin of 03 to the board.
  • Connect the negative pin to the GND to the board. 
Step 2 : Connections Of LEDs to Arduino Board
 
LED 1 
  • Connect the positive pin to the 13 of the board.
  • Connect the negative pin to the Gnd  
LED 2
  • Connect the positive pin to the 12 of the board.
  • Connect the negative pin to the Gnd 
LED 3
  • Connect the positive pin to the 11 of the board.
  • Connect the negative pin to the Gnd 
Programming
  1. int led1 13;  
  2. int led2 12;  
  3. int led3 11;  
  4.  int analogValue = 0;  
  5. float voltage = 0;  
  6. int ledDelay = 2000;  
  7.   
  8. Void setup()  
  9. {  
  10. pinMode(led1, OUTPUT);  
  11. pinMode(led2, OUTPUT);  
  12. pinMode(led3, OUTPUT);  
  13. }  
  14. void loop()  
  15. {  
  16. analogvalue = analogRead(0);  
  17. voltage = 0.0048*analogvalue;  
  18. if ( voltage >= 1.6 )  
  19. {  
  20. digitalWrite(led1, HIGH);  
  21. delay(ledDelay);  
  22. digitalWrite(led1, LOW);  
  23. }  
  24. else if ( voltage < 1.6 && voltage >  
  25. {  
  26. digitalWrite(led2, HIGH);  
  27. delay(ledDelay);  
  28. digitalWrite(led2, LOW);  
  29. }  
  30. else if ( voltage < = 1.4 )  
  31. {  
  32. digitalWrite(led3, HIGH);  
  33. delay(ledDelay);  
  34. digitalWrite(led3, LOW);  
  35. }  
  36. }  
Explanation:
  • In this article I have explained about testing the Life Of Battery in Arduino Mega 2560.
  • When the voltage is <1.6 volt, it can have the power
  • When the voltage is <=1.4 volt, it cannot have the power.