Author Topic: 555pwm motor driver  (Read 499 times)

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Offline m3vuvTopic starter

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555pwm motor driver
« on: December 11, 2019, 02:42:21 pm »
hi all im building this for a small drill motor,only trouble is i only have a 1meg pot,not a 100k one,any idea if it will work?,cheers Paul.
 

Offline Wimberleytech

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Re: 555pwm motor driver
« Reply #1 on: December 11, 2019, 03:09:00 pm »
"work" (without any qualifiers) is pretty binary.  Yes it will work.  You will need to adjust the capacitor accordingly to get the frequency you want.
 
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Offline Zero999

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Re: 555pwm motor driver
« Reply #2 on: December 11, 2019, 05:46:09 pm »
Change C2 to 10nF and the frequency will be the same.
 


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