ESP32-S2 and USB OTG

This page summarizes the projects mentioned and recommended in the original post on /r/esp32
Usb tinyusb Embedded Arduino usb-host

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  • tinyusb

    An open source cross-platform USB stack for embedded system

    • According to the IDF documentation, the S2 runs tinyUSB, and that features a mass storage device example: https://github.com/hathach/tinyusb/blob/master/examples/device/msc_dual_lun/src/msc_disk_dual.c - you can try and Port that.

  • Adafruit_TinyUSB_Arduino

    Arduino library for TinyUSB

    • I'm curious about this restriction to ESP32-S series as shown here: https://docs.tinyusb.org/en/latest/reference/supported.html . This article https://www.pschatzmann.ch/home/2021/02/19/tinyusb-a-simple-tutorial/ claims that "Most Microcontrollers have a built in Serial USB functionality that can not be changed (e.g. ESP32, ESP8266". OTOH, https://github.com/adafruit/Adafruit_TinyUSB_Arduino indicates that all ESP32 chips are supported.

  • InfluxDB

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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