PWM ?????????

18-Oct-2015Electronics

PWM ???

PWM ?? ???????? ??? Pulse Width Modulation. ??????? ????????????? ?? ???? ???? ????????? ?????? ?? PWM. ??????? ????, ???? LED ?? ??????? ?????????, DC ?????? ??? ??????????? ???? ???? ???????? ??? ?? ?? ????????? ????? ??????????? ? ???? ??? ???? ??????? ??????? ???? ?????? ??? ????????? ??? ??? ???? ??? ????? ?, ??????? ???????? ???, ???? ??????? ???????? ???? ?????? ??????? ????????????? ?? ?????? ???? ???? ???????????????? ??????? ???? ???? ???? 0 Volt (0) ???? 5 Volt(1). ?????? ?????????? ??? ???? ??????? ????????? ??? ??????? ??? ??? ??? ????? ??? ???? ??? ????????

???? ?????????

?????? ????????????????? ????? ???? ? ????? ?????? ???? ???? ?????? ?? ???? ?? ???? ??????? ????? ???? ???? ???? ???? ???? LED ?? ? ??????? ? ????? ????? ??? ? ??????? ? ????? ?????? ??????, ? ??????? ????????? ??? ? ??????? ???????? ???? ???? Blinking LED ???? ??? ?????? ?? ??????-?????? ??? ?? Blinking ?? ??? ????? ??? ???? ???? ???????? ?? ??? ?????? ??? ?? ??? ?????? ??????, ????? ????? ???????????? ?? ?????? ??????? ??? ?.? ????????? ???????? ???? ????? ?????? LED ?? ?????-???? ??? ????? ?.?? ????????? ?????? ?? ??????? ??? ???? ???? ??? ??? ?? ??? ??? ????????? ??? ?????

?? blinking ?? ??? ?????? ???? ??? ???? ???? ?? ????? ????? ??? ??? ???????? ??? ??? ?? ??? ??? ??? ?? ??? ?????? ?????????? ????????? ?????? ??? ????? ???? ???? ??, ??? ????? ?? ?? ?????? ???? ????? ?????? ??????? ??? ???? ??? ??? ???? ???? ????????? ????? ?????

screencapture-file-C-Users-Meshkat-Documents-PWM-diode44-jpg-1443870510506

????? ?????? (Duty Cycle)

??? ??? ??? ?????? ???? ????????? ????? ?????? ??? ?? ?? LED ?? ???????? ??? ??? ?? ??? ??? ??? ?? ??? ?????? ????? ?? ??? ?? ?? ?????? ??? ????? ???? ?????? ?????? ??? (? ???????????) ?? ????? ??? ?????? ??? (? ???????????) ??? ??? ?? ?????? ??? ?????? ?? PWM Frequency ?? Duty Cycle 50%. ?????????/ ??? ?????? ??? ?? Duty Cycle ?? ???? ?????? ????????? Duty Cycle 50% ?????? LED ?? ????????? ?????? ???? ????? ????? ?????? ?????

screencapture-file-C-Users-Meshkat-Documents-PWM-PWM-2050-25-png-1443870375991

??? ?????? ??? LED ?? ??? ?? ??? ????? ???????? ?? ??? ??? ?? ??? ?? ??? ??? ?? ????, ????? ???? ??? ?? ?? ????? ??? ?? ??? ?? ?????? ????????? ????? ?????? (Duty Cycle) ??? ????? ??% ? ?????? LED ?? ??????? ??? ??% ??? ????? ??? ??? ???? ???? ??? ?? ???? ??? ?? ??? ?? ???? ????????? ?????? ????

2007-10-15-PWM3

????? ????? ??????? ???? ??? ???? ??? ???? ???? ????

PWM (1) pwm

?????? ????? ????????: http://www.amaderelectronics.com/pwm-%E0%A6%A8%E0%A6%BF%E0%A7%9F%E0%A7%87-%E0%A6%95%E0%A6%BF%E0%A6%9B%E0%A7%81-%E0%A6%95%E0%A6%A5%E0%A6%BE%E0%A6%83-%E0%A7%A7%E0%A6%AE-%E0%A6%AA%E0%A6%B0%E0%A7%8D%E0%A6%AC/

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