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I have made a number of instrument fascias using acrylic sheet using automotive, matt black spray that my laser etcher burns through easily. It has the advantage of drying quickly if laid on in one or two light coats (hold it up to a light source to check coverage between coats). In the case of the fascias, I gave a light spray with a white compatible spray over the etched areas to achieve professional quality fascias.I have no doubt that the same technique can be used for PCB etching but obviously, omitting the white spray part.
Easy to Build CNC Mill Stepper Motor and Driver Circuits
I have been theorising on building a numerical position display on my CNC machine using an up/down counter. Could you enlighten me as to whether the DIR+ and DIR- signals to the stepper drivers are at the same potential or is one signal the absence of a 'high' level?
This is a useful link for chemical compatibility too: https://www.coleparmer.com/Chemical-Resistance
Hello,I have HSMXpress loaded and registered into Solidworks but I can find no trace of it in the menu system. There certainly is no 'CAM' tag.Can anyone set me in the right direction?
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