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  • TungN50 commented on Groover's instructable Pocket laser engraver.1 year ago
    Pocket laser engraver.

    Thanks for your post,I make follow you, but I use module power 5v 3A to power Easy drive. I dont know why IC A3897 are very hot (I only test for about 1 minute and motor has work).Do you help me solve it?

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