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MC2000B is a Windows driver and control package published by THORLABS Inc. that enables full operation of the company’s MC2000B(-EC) motion controller hardware. Designed for precision opto-mechanical automation, the software provides the low-level interface required to initialize, configure, and synchronize the controller’s stepper-motor axes within larger laboratory or production setups. Typical use cases range from automated beam-steering mirror mounts and filter-wheel positioning to multi-axis sample translation in microscopy, laser machining, and spectroscopy workflows. Because the package ships with firmware-matched drivers, users can upgrade the controller’s embedded code without losing compatibility, ensuring long-term stability of automated test rigs. The current public release, version 2.1.0, is the first generally distributed edition (version 1) and incorporates all calibration routines, safety limits, and diagnostic tools needed for immediate deployment. As a device-driver utility rather than a standalone application, MC2000B integrates transparently with Thorlabs’ Kinesis or legacy APT software suites, allowing researchers to script complex motion sequences through LabVIEW, C#, Python, or MATLAB APIs. The installer automatically registers the controller’s USB and virtual-COM endpoints, so the hardware appears as a standard motion stage in any Thorlabs-compatible environment. MC2000B is available for free on get.nero.com, with downloads provided via trusted Windows package sources (e.g. winget), always delivering the latest version, and supporting batch installation of multiple applications.
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