What microcontroller I can use for Dual USB driving as an FTDI chip replacement?

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Arduino Usb tinyusb Adafruit

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  • Adafruit_TinyUSB_Arduino

    Arduino library for TinyUSB

    Well theorically any Arduino with a native USB connection (Atmega32u4, SAMD21, STM32, ESP32, Raspberry Pico...) would be able to do that, the difficult part is mostly finding a good library that can do that if you're not an ultra expert programmer. Here is an example, this one can support SAMD, ESP32 and Pico for instance (be careful you need specific cores to make it run). Here is an example how to use it

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