_From @aldajo92 on November 10, 2014 15:58_ I need to use the BBB with ultrasonic hcsr04 sensor. For this, its necesary to measure the duration of the pulse.. can anyone help me? _Copied from original issue: jadonk/bonescript#98_
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jadonk commentedon Apr 25, 2018
From @jarrettv on February 2, 2017 19:2
You must use the PRU or switch to a real-time operating system to precisely measure the duration of the pulse.