Parametric Automated Filter Wheel Changer
myminifactory
This DIY Arduino-controlled automated filter-wheel changer can switch to 8 different positions, making it ideal for high-end scientific experiments that demand top-notch optics. Commercial versions of these devices typically cost over $2,500, but you can build one yourself for less than $50. If you make just one, you'll easily justify the purchase price of your own open-source 3-D printer! This innovative component is part of the Open-Source Optics project, which aims to drastically lower the cost of scientific optical equipment by Michigan Tech's Open Sustainability Technology Research Group. For similar projects, check out the Open-Source Lab guide on how to build your own hardware and cut research costs. This project was recently featured in an article and podcast on Science, highlighting its potential to revolutionize research equipment with free, open-source hardware: Pearce, Joshua M., 2012, Building Research Equipment with Free, Open-Source Hardware, Science 337 (6100): 1303-1304.
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