Cygnet is a new Feather-compatible host microcontroller from Blues - supporting Arduino, C, C++, and soon CircuitPython.
Add wireless connectivity to your micro PLC projects with the new Blues Wireless for Arduino® Opta®—available today!
Try changing your USB cable as some cables do not support transferring data. If that does not solve your problem, contact us at support@blues.com and we will get you set up with another tool to communicate with the Notecard.
Advanced UsageThe help command gives more info.
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