How to make a digital microscope from a web camera
It is no secret to anyone that the world around us has subtle structures, the organization and structure of which cannot be distinguished by the human eye. The whole universe remained inaccessible and unknown until the microscope was invented. We all know this device from school. In it we looked at bacteria, living and dead cells, objects and objects that we all see every day. Through a narrow viewing lens, they miraculously turned into models from grids and membranes, nerve plexuses and blood vessels. At such moments, you realize how big and many-sided this world is. Recently, microscopes have begun to be digital. They are much more convenient and efficient, because now you do not have to peer into the lens. Just look at the monitor screen, and we see an enlarged digital image of the object in question. Imagine what a miracle of technology you can do with your own hands from a normal webcam.Do not believe? We suggest you verify this with us.Next element there will be a bracket or a corner with versatile shelves. We fasten the short shelf of the bracket and the base plate with a bolt and nut. We pull them up with pliers for reliability.Two small brackets are mounted on the edge of the plate on both its sides. We attach two more corners to them, so that we have a small frame. This will be the basis for the viewing glass of the microscope. It can be made from a small segment of thin glass.Of the two brackets, combined with each other overlap, we make an open frame. Bolts are chosen more truly, so that they are sufficient to pinch this frame around the movable length of the pipe. We put on them a plate with two holes on the sides, and fix it with nuts.To adjust the frame indent from the sight glass, use the bolt М8х100 mm. We need two nuts to fit the size of the bolt,and two larger ones. We take epoxy glue, and in three places we glue the bolt nuts to the tripod. The nut screwed onto the end of the bolt can also be fixed with epoxy.Remove the protective cap, and unscrew the lens with lenses and a light filter. All that needs to be done is to place it in the same place, turning it 180 degrees.Wrap around the camera lens joint with a cylindrical body with insulating tape. If desired, it can be further glue hot melt glue gun. At this stage, the modified lens can already be checked in action.The assembly is ready, you can check it on any object, for example, consider the crystal lattice of the pencil lead or the pixel structure of your smartphone's screen. A popular trend today is the use of such home-made or inexpensive microscopes to control the soldering of small parts on electronic boards. He will undoubtedly like your child, and may awaken interest in knowing the world around us.
Required resources for the manufacture of a microscopeMaterials:
- Perforated plate, corner and brackets for fastening wooden parts;
- Section of 15x15 and 20x20 mm profile tube;
- A small piece of glass;
- LED flashlight;
- M8 bolt with four nuts;
- Screws, nuts.
- Electric drill or screwdriver with a 3-4 mm drill bit;
- Pliers ;
- Phillips screwdriver;
- Glue gun.
Sobi AEM microscope - step by step instructionsFor tripod bases microscope using perforated plates and corners of the metal. They are used for joining wooden products. They are easily bolted, and the set of holes allows you to do it at the required level.
Step one - mount the baseWe lay the flat perforated plate on the back side with soft furniture pads. They are simply glued to the corners of the rectangle.
Step two - make a tripodMake a tripod from a section of a square shaped tube 15x15 mm.Its height should be about 200-250 mm. There is no need to do anything more, as exceeding the offset from the sight glass reduces the quality of the image, and less risks to be illuminated and incorrect. A tripod is fixed to a perforated bracket, and on top of it we put a small piece of 20x20 pipe so that it moves freely along this stand.
Third step - we make the lensAt the place of the tube with the eyepiece in our microscope, a regular webcam will be located. The resolution the more, the better, the connection to the computer can be either wired (USB 2.0, 3.0), or via Wi Fi or Bluetooth. Free the camera from the case by unscrewing the motherboard with the screwdriver.
Fourth step - final assembly of the microscopeAssembling the camera in reverse order, setting its case on hot glue to the frame of the tripod. At the same time, the lens should be directed downwards on the microscope viewing glass. A cable from the wiring can be pressed with nylon ties to the tripod stand. Low LED flashlight can be adapted to the viewing window illuminator. It should fit freely under the viewing panel of the microscope.We connect the camera to the computer, and after a while the image will appear on the monitor screen.
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