…next must have thing 
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OK, STM32F411 but what form factor?
do more pins for : UART - I2C - SPI
since STM32F411 have (3)UART - (3)I2C - (5)SPI
is just proposal
48 Pin 411 doesnt have all those pins 
For 48 pin i don’t know but nucleo 64 pin yes
I supposdd to have same pinout for work
Oh, easy, it’s the new iPhone 8. Am I right?
lol, something like that 
I knew it…