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Remember: most "driver failures" are actually power supply issues or incorrect DIP switch settings. Always start with the hardware, confirm voltages, and then validate the software driver using a loopback test (short TX to RX on the CLA58’s control port). cla58 driver
This usually indicates a issue, especially on Windows 10 or 11. FTDI or CH340)
Identify exact hardware and OS:
Unlike generic USB-to-serial chips (e.g., FTDI or CH340), the CLA58 often uses a proprietary communication protocol. Installing the wrong driver will result in the device showing up as an "Unknown USB Device." cla58 driver