I am in the fun position of having a Raspberry Pi project to build for my day job. It brought to light a familiar challenge of how to trouble-shoot and connect to headless Raspberry Pi boards when you don’t necessarily know the host or IP address. Instead of grabbing a HDMI cable (and converter), monitor, […]
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USB Keyboard Emulation with the Raspberry Pi Zero
One of the many productivity-boosters my nerd friends look to is text expanders and keyboard shortcuts. You know, enter a combination of keypresses, and out pops a signature, particular animated gif, or an often-used regular expression. I was about to launch into setting something like this up, and then Amazon Prime Day reminded me of […]
Best K40 Laser Upgrades – Upgrading my Laser Engraver Part 3
I am on a mission to make my Chinese K40 Laser Engraver work like a much more expensive USA name-brand machine. Update to Part 2 – Brain Boosting Previously, I bought and installed a new mainboard of electronics, and a filter for the pungent smoke. I am happy to say, while the filter still feels […]
Modify STL CAD files for CNC or 3D Print using Python Programming
We are pretty familiar at this point with the 3D design creation workflow. Drawing, dragging and dropping CAD files using a mouse and a package such as Fusion 360, or a browser-based application, such as Onshape. What, though, if you have to create a whole bunch of personalised objects? Opening, editing, exporting doesn’t take long […]