Some resources to help you getting started with STM32 programming.
Screw Terminals comes in 2 or 3 positions and have the really cool feature of slide-locking together to form any size you need (4, 5, up to 20 without problems). Rated up to 125V @ 6A. Terminal can accept 30 to 20AWG wire. 5mm pin pitch will not fit standard 0.1' perf boards but this is the most common pitch screw terminal.
Note: The color and pitch may vary depending on the stock available.