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Forum Index : Microcontroller and PC projects : PicoMite driving robot

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karlelch

Senior Member

Joined: 30/10/2014
Location: Germany
Posts: 237
Posted: 08:22pm 10 Nov 2021
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A MMBasic controlled robot - for first release, see repository and video

:)
 
Volhout
Guru

Joined: 05/03/2018
Location: Netherlands
Posts: 5089
Posted: 07:40am 11 Nov 2021
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Nice !!!

Read your repository text, inspiring...

Volhout
PicomiteVGA PETSCII ROBOTS
 
Frank N. Furter
Guru

Joined: 28/05/2012
Location: Germany
Posts: 949
Posted: 08:11am 11 Nov 2021
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Very cool!!!  

Frank
 
karlelch

Senior Member

Joined: 30/10/2014
Location: Germany
Posts: 237
Posted: 09:23am 11 Nov 2021
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Thanks!
 
Mixtel90

Guru

Joined: 05/10/2019
Location: United Kingdom
Posts: 7937
Posted: 11:34am 11 Nov 2021
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Love it! - And so cute and cuddly...  ;)
Did you consider using anything like IR scanning to detect what's ahead?
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
Calli
Regular Member

Joined: 20/10/2021
Location: Germany
Posts: 74
Posted: 12:52pm 11 Nov 2021
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Big shoutout!

Based on this design I was able after years of hesitating to build my second walking robot (first one was done in Lego, toothbrush ones not counted :)!



He just learned his first steps using PicoMite!(after erasing his brain from uPython)

Thanks!
Carsten

PS: The Lego one: https://photos.app.goo.gl/9LvogUuUaRqXM6Jz8
I am still proud how good it works with just two motors.
Edited 2021-11-11 22:58 by Calli
 
Mixtel90

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Joined: 05/10/2019
Location: United Kingdom
Posts: 7937
Posted: 01:49pm 11 Nov 2021
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That Lego one is lovely!  Aawww....   :)
Mick

Zilog Inside! nascom.info for Nascom & Gemini
Preliminary MMBasic docs & my PCB designs
 
karlelch

Senior Member

Joined: 30/10/2014
Location: Germany
Posts: 237
Posted: 04:26pm 11 Nov 2021
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  Mixtel90 said  Love it! - And so cute and cuddly...  ;)
Did you consider using anything like IR scanning to detect what's ahead?


Yes, the three little boards in the front are time-of-flight distance detectors from Pololu. They are quite nice because they provide a digital (pulsed) signal that encodes distance in the pulse length - easy to read in MMBasic. The sensors are angled (in the x-y plane) by 20 deg such that they cover the area in front of the robot. In addition, they are angled towards the ground, which allows detecting objects and cliffs (ie. the edge of the table) with the same sensors: Distances within a range of ~5-10 cms are interpreted as safe, shorter distances mean object, larger distances mean cliff.

The readout of the sensors is shown as bars on the display; in addition, the RGB LED is green for "no danger", yellow for object detected, and red for cliff.
 
karlelch

Senior Member

Joined: 30/10/2014
Location: Germany
Posts: 237
Posted: 04:28pm 11 Nov 2021
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  Calli said  He just learned his first steps using PicoMite!(after erasing his brain from uPython)

Brainwashed ;-)
 
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