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Surely this only reads a current if the tube is firing? How can you tell if it's the tube, or the power supply?
Replacing a CO2 laser tube
How to test and set a Chinese (China) made CO2 Laser Power Supply to get long life from your CO2 Laser Tube for your Laser Engraving and Laser Cutting Machine System
Bit pointless if it doesn't move... The connections to the Arduino, for example..?
Magnetic connectors for batteries
DIY | Easy Arduino Laser Tripwire Security System!
I run a Mini S3, threw in a Chinese system off Fleabay. In my car, I normally use satnav & bluetooth music to my radio. The wireless charging couldn't keep up with the drain, & the phone ran very hot, so I ditched it in favour of the magnetically held micro USB plugs & sockets. Those work well, up to an amp or more charging. Thanks for putting your 'ibble up, it works quite conveniently for just charging.
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