This is an electronic circuit made of aluminum to build a light that attaches to the Andonstar ADSM201 microscope.
Here is more information, but it is in Spanish: Lampara LED para microscopio Andonstar ADSM201.
Youtube Video:
This project is licensed under the license Creative Commons of type: Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0) . Check the file LICENSE.md for more information.