Not sure…
Looking at RAK811 WisDuo LPWAN Module Datasheet | RAKwireless Documentation Center
seems STM32L151CBU6 is used not the “A” version…
Not sure…
Looking at RAK811 WisDuo LPWAN Module Datasheet | RAKwireless Documentation Center
seems STM32L151CBU6 is used not the “A” version…