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IndustryArena Forum > OpenSource CNC Design Center > Raspberry Pi CNC > RPI's 5v PWM to 0-10V analog for VFD
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  1. #1
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    RPI's 5v PWM to 0-10V analog for VFD

    Hi

    I have the Protoneer cnc hat to connect to my Micromaster 440 and need to convert the 5V pwm into 0-10V analog. I have found some opamp + rc filter schematics for it but can't really say if they are any good. Anybody here done that before? (sure!) Would appreciate an "I have this and it works perfect"-example.

    BTW this thing of Bcnc on RPI is totally kick ass! Can't wait to get my build running

    Thanks

  2. #2
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    Re: RPI's 5v PWM to 0-10V analog for VFD

    Take a look at this old thread, in post #34 I shared the schematics that worked (and still is working) for me.

    https://www.cnczone.com/forums/gener...ml#post2238956

  3. #3
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    thanks!

  4. #4
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    Re: RPI's 5v PWM to 0-10V analog for VFD

    Here is what it looks like in flesh:


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