CNT24-2(USB)GY is a 24-bit isolation type up-and-down counter module dealing with USB which it can be compact and can be used easily. I can use it for positioning control combining the count of a high-speed pulse signal, and an encoder. Moreover, since it has isolated by the photo-coupler, CPU which controls an external signal and a module does not have electric influence of external on a host computer as it is.
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