The K40 Laser Cooling Guard is a device that senses flow rate and temperature of the K40 Co2 Laser´s cooling liquid. In case the flow rate drops under a certain amount, the K40 Cooling Guard cuts the Laser switch preventing the lasertube from overheating. It also gives you indication about how much fluid is passing the tube per minute and at what temperature.

This video is a little stuffed so i decided to add a tutorial guide on Instructables.com
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Here is the Amazon shopping list of what you need:
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All the files can be downloaded for free from my Webpage:
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NOTE: recently there has been issues opening the .ino file. Arduino says that the file needs to be in a folder and then says “Can’t open sketch”.
I have no idea why this happens…
However a simple fix is to open the .ino file in the text editor copy and paste the code into the arduino software.


Giveaway:
I will pick a winner each day, the 5 first days this video is online.
I will answer on your comment if you have won. Is that the case you will need to contact me over the Mancave Effects Instagram account for further informations (adress etc.).
Good Luck!

I hope you enjoyed this video, there is always more!
More videos about the K40 Laser Cutter and more other interesting projects and DIY´s on the Mancave Effects Channel, check it out!

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Music by:
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