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Arduino on Twitter: "Upcycle old DVD drives into an Arduino-based CNC laser wood engraver: https://t.co/NOepZ9o2ic https://t.co/E7NT0lNREx" / Twitter
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30w Focusable Laser Module 8pcs Universal Laser Engraving Module Kit With 450nm 7.5w Blue Laser Head Pwm/ttl Modulation Engraver - Wood Router - AliExpress
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