Open Source Laboratory Sample Rotator Mixer and Shaker

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By Michigan Tech's Open Sustainability Technology Lab

Themostuptodateinformationcanbefoundonthisproject'sAppropediapage

Source

• Karankumar C. Dhankani, Joshua M. Pearce. Open Source Laboratory Sample Rotator Mixer and Shaker.HardwareX 1, pp.1-12 (2017). doi:j.ohx.2016.07.001 open access

• Repository contains all source code, paper contains instructions

• Quick download of stls version 1 mixer,version 2 mixer+shaker

• Officially certified open source hardware by OSHWA. UID:US000050 http://certificate.oshwa.org/certification-directory/

Abstract

An open-source 3-D printable laboratory sample rotator mixer is developed here in two variants that allow users to opt for the level of functionality, cost saving and associated complexity needed in their laboratories. First, a laboratory sample rotator is designed and demonstrated that can be used for tumbling as well as gentle mixing of samples in a variety of tube sizes by mixing them horizontally, vertically, or any position in between. Changing the mixing angle is fast and convenient and requires no tools. This device is battery powered and can be easily transported to operate in various locations in a lab including desktops, benches, clean hoods, chemical hoods, cold rooms, glove boxes, incubators or biological hoods. Second, an on-board Arduino-based microcontroller is incorporated that adds the functionality of a laboratory sample shaker. These devices can be customized both mechanically and functionally as the user can simply select the operation mode on the switch or alter the code to perform custom experiments. The open source laboratory sample rotator mixer can be built by non-specialists for under US$30 and adding shaking functionality can be done for under $20 more. Thus, these open source devices are technically superior to the proprietary commercial equipment available on the market while saving over 90% of the costs.

Highlights

• Open-source 3-D printable laboratory sample rotator mixer developed.

• Laboratory sample rotator used for tumbling as well as gentle mixing.

• Arduino microcontroller incorporated to create shaker and custom programs.

• Can be built by non-specialists for under US$30 (US$50 with shaking).

• Open source devices technically superior, 90% cost savings vs proprietary options.

Keywords

open source hardware; shaker; mixer; rotator mixer; lab mixer open hardware

See Also

• Open Source Lab

• Building research equipment with free, open-source hardware

• Open source science

• Open-source hardware

• Open-source syringe pump

• Open Source 3-D Printed Nutating Mixer

• 3-D printable open source dual axis gimbal system for optoelectronic measurements

• Open Source Digitally Replicable Lab-Grade Scales