Archiv der Kategorie: Uncategorized

robot projects

24. April 2017 excogitation Schreibe einen Kommentar

I searched my photo albums for some pictures of robot stuff that I did the last years (robots being only one of many interests).

1of15

Retrofitting a Manutec R15 with modern motor drivers and LinuxCNC control

Project: Self balancing bot with manual PID

(derived from)

ugly prototype:

I’ll hopefully never do airwiring again – hint: invest the time layouting pcbs instead:

everything falls into place:

ABB robot retrofit:

Quick and dirty conversion (Marius is a genius) during the LinuxCNC meet 2015 – with some groundwork of mine (getting curcuit plans, “some” probing, …).

Tribot:

image (10)

I stumbled upon this little guy somewhere on ebay Kleinanzeigen (~Craigslist) and could not not-buy it.
Me (electronics) and two friends (software) hacked it to a Raspberry Pi.

that oughta be enough place for some 18650’s …

probing for the sensors, motor control

everything hooked up

the biggest of the robots (R3) @shackspace

R3 smashing a screen with a big hammer

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kallax style shelf

26. Februar 2015 excogitation Schreibe einen Kommentar

CAD files (and hopefully soon the Rhino script to optimize cutouts for milling)

Rendering (before milling):

I don’t really like the material Ikea’s Kallax are made of – also I consider buying at Ikea only as emergency solution.

Still we needed a shelf to store stuff and so I went to the local hardware store and bought 11 250x2500mm laminated
beech planks cut to length – not of the car (though it certenly seems that way).

Some milling (about 4 hours):

The result:

After some quick sanding of the corners and a some hours doing 2 coatings of linseed oil
we could piece it together in no time.

I even added drill holes for these pins (German: Bodenträger):

Screwed to the wall:

^^many projects waiting for completion.

Conclusion: Building furniture isn’t that hard if you have access to the right tools.
Also it’s not really that expensive.

BOM:

208,45€ 11 planks of 250x2500mm laminated beech planks (we still have enough for the loft bed)
16,50€ 2l lineseed oil from Hornbach – at Obi it was like more than twice the price

furniture build album