Analog Signal VS PWM Signal
1 year ago
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6. Analog Signal VS PWM Signal
1 year ago
Comparing the difference between an analog signal and a digital signal.
Using a potentiometer (connected to Analog Pin 0) to dim and brighten three yellow LED's (connected to Digital Pin 6).
Then viewing the signals from Analog Pin 0 and Digital Pin 6 on the oscilloscope. The analog signal can be seen to smoothly rise and fall as the pot is adjusted. The digital signal is only high or low and can be seen pulsing on and off at different rates as the pot is adjusted.
Code used in this sketch can be found at serverwillprovide.com/icuubi/examples/analog_vs_PWM.pde
Read more at dailyduino.com
Using a potentiometer (connected to Analog Pin 0) to dim and brighten three yellow LED's (connected to Digital Pin 6).
Then viewing the signals from Analog Pin 0 and Digital Pin 6 on the oscilloscope. The analog signal can be seen to smoothly rise and fall as the pot is adjusted. The digital signal is only high or low and can be seen pulsing on and off at different rates as the pot is adjusted.
Code used in this sketch can be found at serverwillprovide.com/icuubi/examples/analog_vs_PWM.pde
Read more at dailyduino.com
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Dan.
p.s. the dailyduino is fast becoming my favorite arduino site. Keep up the great work!