What you can see with a 7$ usb microscope

75x magnification of a 3d printed part, a samsung amoled screed, ink on paper, waterproof fabric of a backpack, the lcd screen of a laptop, printed paper green.
Uses of a cheap digital microscope(7-15€ from aliexpress, 50-500x):

  • find and compare printing resolution of 3d printed parts
  • find and compare printing resolution of paper printers
  • find the best pen
  • compare graphite hardness of pencils
  • find and compare screen resolutions
  • find short circuits on PCBs
  • see how tight is a tissue and how behaves with water
  • compare roughness of materials
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