ESP32-S2 development board with native USB-OTG, the hardware supports both USB host and USB device functionality, LiPo battery charger and step up for handheld battery operation.
Product page: https://www.olimex.com/Products/IoT/ESP32-S2/ESP32-S2-DevKit-Lipo-USB/open-source-hardware
- Hardware is released under CERN OHL v1.2 license
- Software is released under GPL3 License
- Documentation is released under CC BY-SA 3.0