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Turning a Bluetooth Caliper into a FreeCAD Input Device

https://hackaday.com/2026/04/05/turning-a-bluetooth-caliper-into-a-freecad-input-device/

Turning A Bluetooth Caliper Into A FreeCAD Input Device

It’s a common ritual: whipping out those calipers or similar measuring devices to measure part of a physical object that we’re trying to transfer into a digital model in an application …

Hackaday
Apr 5 at 11:01amWeb
Show threadAjinkya Dahale1d ago
@hackaday f.a.o. @freecad
Show threadROTOPE~1 ⭐️1d ago
@hackaday next: turning a caliper into a Pong controller
Show threadhackaday1h ago
@rotopenguin we'd be happy to see it on the tipsline!
Show threadnoisio1d ago
@hackaday Michael Egger did this with the cheap ones by adding ESP32 Bluetooth. Here are the project files: https://github.com/mirdej/calipers/tree/main/firmware/lib/Calipers
calipers/firmware/lib/Calipers at main · mirdej/calipers

Bluetooth enabled Calipers. Contribute to mirdej/calipers development by creating an account on GitHub.

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