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Measure pulse width using Input Capture in STM32
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Similarly on falling edge another timestamp is captured. Now because the counter is counting every us, the difference gives pulse width in us.
Interface BUZZER with STM32
This setup will provide a frequency of (45000000/255*692) = 255 Hz and we can vary the duty cycle to observe the changes in the sound of the buzzer.
RGB led and STM32
Basically each colour have a range of intensity from 0 to 255 which depends on the voltage provided to the respective pin. We combine these intensities (0 to 255) of these three colours to produce 16 million (256x256x256) different colours.Basically each colour have a range of intensity from 0 to 255 which depends on the voltage provided to the respective pin. We combine these intensities (0 to 255) of these three colours to produce 16 million (256x256x256) different colours.