The likely refers to the Analogue Solutions Polymath
: It is noted for its high-quality construction and "heavy-duty" feel, suitable for both studio and live performance. Niche Appeal polymath 61 key verified
Match the baud rate between the Polymath software and the hardware device (standard is often 9600 or 19200). License Key: For the full software suite, ensure your verification key or dongle is active and recognized by the .NET framework. Are you setting this up for industrial automation (ESA panels) or as a MIDI musical controller The likely refers to the Analogue Solutions Polymath
(Remember to provide whether your keyboard is VIA-compatible or uses QMK, and your OS.) and your OS.)