BT1 has significance in the STM32duino world as a mechanism to trigger perpetual bootloader. The general case of a high impedance pulldown on BT1 is flipped to 3v3 to enable the perpetual bootloader feature.
Currently we have a hard pull down to GND which precludes pulling to 3v3.
BT1 has significance in the STM32duino world as a mechanism to trigger perpetual bootloader. The general case of a high impedance pulldown on BT1 is flipped to 3v3 to enable the perpetual bootloader feature.
Currently we have a hard pull down to GND which precludes pulling to 3v3.