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..this is how it might look like (Patreon)

Published:
2018-07-11 00:54:31
Imported:
2026-11

Content

just done modelling the first prototype of a ultrasonic based room scanner. Tomorrow 3D printing, finding out that this doesn't fit at all, redoing and coding.
Target is to have this done by the weekend :-)

Files

Comments

datahaki

i can't even translate the view/camera in blender

bitluni

Basic rig with two servo motors and an ultrasonic sensor the servos can cover a hemisphere with both 180° rotations... theortically

Andy Gaffney

Good Luck for getting it finished by the weekend! I think this is a topical project with several possible applications... Especially now that you can get a LIDAR sensor module for around 40 Euros. <a href="https://bit.ly/2L7rIHB" rel="nofollow noopener" target="_blank">https://bit.ly/2L7rIHB</a>

Morten Hanasand

But will it be able to brush your teeth remotely?

bitluni

I tested a time-of-flight sensor for $3 the maximum range was about 1,2m. I have also boight a laser distance meter for $15 which has better reach. But I need to take it apart first.

bitluni

...hmmm never thought of that usecase 😂

Ristomatti Airo

Cool looking design! How much printing time would you guesstimate it to take on an average 3D printer? I'm currently running out of space and have had to postpone my plans on getting one. There's 3D printers that can be used in some public libraries here in Helsinki but if it'd take several ~4h trips to the nearest one (10km away), I probably could not make myself to do that. :D

bitluni

1h total. I guess any small printer does the job

Ristomatti Airo

I've thought pretty much everything takes forever to print. I guess I should update my mental image to 2018. :D This is getting way off topic so just ignore if you wish - I wonder if it still holds though that the maintaining these printers in a working condition is a hobby in itself (thinking I'd have room for one some day in the near future), even if buying some well established brand without too much DYI involved?

bitluni

The prusa wasnt cheap and it took a bit to assamble.. I had no big maintenance but It's imprecise in z calibration. That's why I have to adjust the offset on each print. I guess a Printrbot play is durable and cheap. But you will be just able to print smaller things and pla only

Ristomatti Airo

Thanks for the insight! This further moves me into the direction of not expanding my making hobbies to this direction. I'm already feeling there's too little hours in a day and/or capacity for my brain to absorb new information while trying to learn electronics, RF stuff, C++ programming and related handcraft skills at the same time (none of which I had no prior experience of 2 years back).

bitluni

As long it's fun :-) I'm also still learning