Testing circuits I found on the Internet: Inverter! It does work, BUT…

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EASY Upgrades Make the K40 a BUDGET Laser Cutter BEAST! 🔥

Part 2 of my 40 watt laser cutter modifications- A few mods turn the K40 in to a BEAST that

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Greenhouse || DIY or Buy || Building a STURDY DIY Greenhouse in 5 days!

$2 for 1-4 Layer PCBs, Get SMT Coupons: https://jlcpcb.com/AAA Previous video: https://youtu.be/eh0YXLkzAKg Automating a Greenhouse with LoRa! (Part 1): https://youtu.be/2YJHcGQnpAk

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