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nydas, to ergomechkeyboards in Nydas36
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nydas, to ergomechkeyboards in Nydas36
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It’s running on 2x BlackPills, with hotswap sunset orange switches. The two halves are connected by an ultra thin CAT6 patch cable. It’s the first keyboard I’ve built with backlights, so quite happy that it worked as planned.

nydas, to ergomechkeyboards in The pain of realising you got your PCB wrong, and need to use two pins earmarked for the LCD for the TX & RX to allow the sides to communicate :-(
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It took a while to get used to them (like a day or two). But I’ve been using them on keyboards for a couple of years now, and it feels strange to not have them.

nydas, to ergomechkeyboards in The pain of realising you got your PCB wrong, and need to use two pins earmarked for the LCD for the TX & RX to allow the sides to communicate :-(
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True. I’ve not yet added any code to manage the per key RGB. Hopefully they all work as planned too.

nydas, to ergomechkeyboards in The pain of realising you got your PCB wrong, and need to use two pins earmarked for the LCD for the TX & RX to allow the sides to communicate :-(
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They are custom angled risers I got printed. They fit between the switch and the keycap.

nydas, to ergomechkeyboards in The pain of realising you got your PCB wrong, and need to use two pins earmarked for the LCD for the TX & RX to allow the sides to communicate :-(
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Oh that’s an interesting thought. All might not be lost after all! I’ll need to investigate.

nydas, to ergomechkeyboards in Hoping for guidance on custom split QMK using Blackpill
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Blackpill is defined within qmk already. You can do a search in the repo for STM32F401 and see a number of keyboards that use it. From this, you can also see which are split keyboards. The M60 Split is a good example which uses a SPLIT_HAND_PIN to define left and right. The Phoenix is another. This also uses the SPLIT_HAND_PIN. Given that, I’ve tried updating, but no luck. If SPLIT_KEYBOARD = yes then nothing works. If SPLIT_KEYBOARD = no then they work but they both come through as the left side (even if SPLIT_HAND_PIN B9 is set, and B9 is connected to GND or not).

nydas, to mechanicalkeyboards in Troubleshooting custom split keyboard
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Ah, thank you. I’ll have a go at that then.

nydas, to mechanicalkeyboards in Troubleshooting custom split keyboard
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Are you referring to the MASTER_LEFT?

This is just defining whether the USB is plugged into the left board or right board.

All defines start with a hash as standard. It’s not commenting the line out. For that, you’d use //.

nydas, to ergomechkeyboards in PCB Designed!
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I’m assuming you downloaded an stl of the switches and the controller? Where did you dl them from?

nydas, to ergomechkeyboards in OpenSCAD Question on bezel
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Thank you. Yeah, the shape is a mix of convex and concave. I might need to just make do for this prototype. https://i.imgur.com/gtJurrp.png

nydas, to ergomechkeyboards in Any OpenSCAD whiz available to provide some advice?
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That’s awesome, thank you so much!

nydas, to ergomechkeyboards in Any OpenSCAD whiz available to provide some advice?
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Thank you! So, you can get a regular 2D shape and use the linear_extrude() function to extrude out at 90 degrees from the object. They refer to in in the docs as the equivalent of pushing playdoh through a press. And from the docs ‘In OpenSCAD Extrusion is always performed on the projection (shadow) of the 2d object xy plane and along the Z axis; so if you rotate or apply other transformations to the 2d object before extrusion, its shadow shape is what is extruded.’

So the Z axis is no related to what I see on the screen, but is in direct relation to the original 2D image. If I were to first rotate the 2D image by 90 degrees, and then extrude, the extrusion would be on the Z axis relative to the 2D object, but the X axis relative to the rest of the project (if that makes sense).

What I want it to extrude on the absolute Z axis of the total project, regardless of the angle of rotation of the 2D object. To put it another way, if I were to have a square on the 2D, and I rotated it 30 degrees before extruding, I would not want a cube to be formed, but rather would want a rhombohedron.

nydas, to ergomechkeyboards in Online tool to test a pcb design
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It was all by hand, so placing the switches, adding the nets, defining which pin was on which net, and then connecting all the dots.

nydas, to ergomechkeyboards in Blackpill & ST7789V OLED pcb
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So basically ‘don’t worry about it, just put any pin to any pin and manage it through QMK?’

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