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  1. 29-06-2019 #1
    CharlieRam's Avatar
    Lives in Derby, United Kingdom.
    CharlieRam
    Last Activity: 19-04-2024 Has been a member for 9-10 years. Has a total post count of 234. Received thanks 20 times, giving thanks to others 34 times.
    So how would the circuit look if I ditch the opto and connected the mosfet direct to the 5 axis Bob? You'll have to excuse my lack of electronics knowledge, I've occasionally dabbled over the years but i always forget what I learnt!

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  2. 29-06-2019 #2
    john swift's Avatar
    Lives in merseyside, United Kingdom.
    john swift
    Last Activity: 18-01-2021 Has been a member for 9-10 years. Has a total post count of 257. Received thanks 53 times, giving thanks to others 0 times.
    you should be able to connect the BOB directly to the FET

    Click image for larger version.  Name: CNC BOB connection to FET.jpg  Views: 411  Size: 108.7 KB  ID: 25991


    the 2N7000 would be an alternative FET in a smaller TO92 case

    2N7000.pdf

    John
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