STM32 Low-Power Wireless System Board

Hardware

Board Features

  • Pre-included board RS-232 DPR1084-DAT
  • Optional stack board:

Pin Definitions

Sensors pins from top to bottom: 3V3 PA7 xx GND

SIM Interface:

  • PB14 = power enable
  • PB10 = SIMRXD
  • PB11 = SIM TXD
  • PB13 = module boot

RS-232 Interface:

  • PB10
  • PB9

Debug Interface: 3V3 GND PA2 PA3

Programming Interface: CLK DIO GND 3V3 BOOT

Stackable with SIM7070G

Ref