Chris HamiltonWhile working on this board, I believe I should make a version that provides a USB bridge such as a i2c or UART to USB bridge. This depends on space available. Also, I believe the STM32 Large Flex Module may be able to include a version of this schematic.
Variations
A project log for USB BiPower OTG Flex Module
Bipolar power supply +/- 3.3V from USB. + rail is ~3A, - rail is ~300mA. For sale on Tindie.
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