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Buzzer/en: различия между версиями
Новая страница: «<pre> echo 250000 > /sys/class/pwm/pwmchip0/pwm2/period # set the period to 250 000 NS, ie 250mks, which corresponds to a frequency of 4kHz </pre>»
(Новая страница: «Sets the period in nanoseconds. The conversion from frequency(from kilohertz per period in nanoseconds is produced by the formula: <b> T(ns) = 1 000 000 / f(kHz)…») |
(Новая страница: «<pre> echo 250000 > /sys/class/pwm/pwmchip0/pwm2/period # set the period to 250 000 NS, ie 250mks, which corresponds to a frequency of 4kHz </pre>») |
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| Строка 19: | Строка 19: | ||
<pre> | <pre> | ||
echo 250000 > /sys/class/pwm/pwmchip0/pwm2/period # | echo 250000 > /sys/class/pwm/pwmchip0/pwm2/period # set the period to 250 000 NS, ie 250mks, which corresponds to a frequency of 4kHz | ||
</pre> | </pre> | ||