Arduino Based motor speed control using PWM with Hex keypad

The pulse width modulation is the old method to control the power across the load by changing in the Duty cycle 0% duty cycle mean it,s DC and 50% duty cycle mean that it,s On for halftime and Off for the halftime.The hex keypad is connected with Arduino Uno by pressing the buttons on Hex keypad you can control the speed of the dc motor Like
key "1" = 16%) key "2" = 32%) key "3" = 48%) key "A" = 0%)
key "4" = 64%) key "4" = 64%) key "5" = 80%) key "6" = 96%) key "B" = 100%)
Circuit Diagram : 
Code:
Click Here To Download the Code 
Arduino Based motor speed control using PWM with Hex keypad Arduino Based  motor speed control using PWM with Hex keypad Reviewed by Abid Jamal on February 18, 2015 Rating: 5

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