Hardware can vary in size. Probably the smallest camera in the world is not much bigger than a grain of salt. There is also not much space in the area where it is normally used.
There is certainly small hardware that is urgently needed for various purposes. But one particularly small device is no bigger than a grain of salt: the smallest camera in the world comes from the manufacturer Omnivision and has even made it into the Guinness Book of Records.
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Smallest camera in the world can be used primarily in the medical field
How big is the camera anyway? The camera has a size of 0.575mm x 0.575mm x 0.232mm. This is smaller than a fingernail and more like the size of a coarse grain of salt.
What can this part do? The small sensor can be mounted primarily on various medical instruments. Such as disposable guide wires, endoscopes and catheters. The device is therefore particularly suitable in the medical sector (via ovt.com).
The OV6948 has a 1/36-inch optical format and an image field that can record video at a resolution of 200 x 200 pixels at up to 30 frames per second (fps). That sounds like very little at first, but you should also remember that the sensor is incredibly tiny. You also need the appropriate hardware that knows how to handle the sensor.
How much does such a device cost? According to the Arrow website, a module costs around 50 euros. The problem, however, is that you cannot order one part individually, but have to order at least 192 pieces. Then the costs are more in the 4-digit range.
There is other, very small hardware. But these are not used in hospitals; the devices are very popular in prison:
The world’s smallest cell phone costs €50 and is apparently particularly popular in prisons