For this lab assignment, you must use the Timers/Counters on the AVR board. Here are the detailed functions, which will adjust the LED brightness based on the pushbutton

For this lab assignment, you must use the Timers/Counters on the AVR board.

Here are the detailed functions, which will adjust the LED brightness based on the pushbutton:

• The brightness of the LED should increase from the current brightness when the button is pressed (ON) and decrease when the button is released (OFF)

• In the main() loop, when the pushbutton is pressed, generate a PWM waveform to drive the LED so that the ON time (duty cycle) varies from 0 to 100% in about a second so it is clearly visible and stopping at 100% (fully ON) until the button is released
• When the pushbutton is released, the duty cycle should be reduced, from the brightness at the point when the button is released until it is completely OFF (0% duty cycle). If the button is released after achieving 100% brightness, the LED should go from Full brightness (100% duty cycle) to 0% duty cycle in about 1 second
• Use a timer to generate PWM waveform having a total time cycle (Ton + Toff) of 10 millisecond.

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