MOST
Published © GPL3+

Open Source Laboratory Sample Rotator Mixer and Shaker

A 3-D printed simple rotator mixer which can be built by non-specialists very economically.

IntermediateFull instructions provided438
Open Source Laboratory Sample Rotator Mixer and Shaker

Things used in this project

Hardware components

Bearing
This is the widely available roller skates bearing
×1
9V battery (generic)
9V battery (generic)
9 V alkaline widely available (bought in pack of 8)
×1
Rocker switch
×1
Geared motor 60 rpm 12 V DC
×1
Battery clip
×1
Rubber sheet
This is sandwiched between the Rotisseries to grip the test tubes. Multiple options available on Amazon or similar
×2
O-rings
×4
Adafruit Pro Trinket – 5V
This can be purchased either from Amazon or Adafruit or similar
×1
Motor driver controller L298N
This is the most commonly available type and can be purchased from Amazon or similar
×1
12 V DC supply adaptor
12 V supply is provided using an adapter that can be purchased from Amazon or similar
×1
5.5 mm Jack Connector Socket
Can be purchased from Amazon or similar
×1

Story

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Schematics

Inside of large pillar of shaker showing wiring

Assembled electronics tray for mixer/shaker variant with micro-controller and motor driver mounted

Circuit diagram for mixer variant

Visual circuit diagram for the mixer/shaker combination variant

Credits

MOST

MOST

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The Michigan Tech in Open Sustainability Technology (MOST) Lab focuses on open and applied sustainability and development of open hardware.

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