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#prototyping

2 Beiträge2 Beteiligte0 Beiträge heute

Been driving myself bonkers - designing a miniature thing in my head.

Today had the epiphany that because it needs to be relatively sturdy but not a fully functioning replica of anything - I can just make it out of cardboard and it will still be great.

Huzzah !

Now I just need to master using an exacto/craft knife without slicing myself ...

Just ordered some parts to prototype a piezoelectric an experimental tactile interface for "feeling" visual textures.

I ordered a piezoelectric actuator, some through hole op-amps to drive it, a breadboard, some prototyping wire, some 1/8" prototyping jacks, an assortment of through hole resistors, and a big box of small plastic drawers to organize my parts.

I'm gonna drive the piezoelectric actuator by driving the op-amp with the audio out from my sound card on my PC. I'm planning to prototype a tiny MCU and tiny camera separately.

I'm so excited for this project.

#freehardware#fosh#ee
Antwortete im Thread

@3dprinting @layers The barrel jack and the USB port fit. The seal around the cold side temperature probe is too loose, and one of the screw holes for the temp/humidity sensor is off by half a millimeter.

I didn't really choose a place for the WiFi antenna. I guess I'll just close the case over it and let it find its own location.

I'm still waiting on the real PCBs.

🧵 21/N

Antwortete im Thread

@3dprinting Surprisingly, the whole assembly fit together on the first try. I need to adjust a handful of dimensions, but it's very close and good enough to start working on the electronics.

The small aluminum heatsink in front is the cold side, and the big stainless one in back is hot. The bottom piece slides to adjust the airflow ratio into the fan.

This is PLA, but parts of it will have to be a high temperature plastic.

🧵 7/N

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Penpot is a free open source interface design platform based around open standards. It's web-based and can be used collaboratively on any OS. You can follow their video account at:

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Penpot PeertubePenpotPenpot is the first free open-source design tool for Design and Code collaboration. No handoff drama. Open standards (CSS, SVG & HTML). Design as code.
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