A Breakout Board for the STM32F4-Discovery

This is the first in a series of articles about the STM32 family of ARM Cortex microcontrollers.

In this article I will show the breakout board I built for the STM32F4 Discovery module.  It features two male DIL headers to easily attach jumper wires and two RS232 serial ports

It uses a BusBoard-3U prototyping board to connect the DIL male headers to the Discovery module.  For RS232 interfaces I used ComBoard CB232F and CB232M modules to simplify wiring.

Introducing Solderable PC BreadBoards

A solderable PC breadboard is a prototyping printed circuit board (PCB) with a connection pattern the same as a solderless breadboard (plug-in breadboard). This article describes the solderable PC breadboards available from BPS.


Many electronics hobbyists are familiar with using breadboards to build and test circuits. Breadboards allow circuits to be quickly built and modified as needed, and they are reusable. However, breadboard circuits aren’t very rugged. Movement or vibration can easily cause wires and parts to fall out.

Once a circuit is working, a more rugged, permanent circuit is often needed. Soldering the parts on a PCB protoboard makes the connections durable. Since PC breadboards have the same patterns as breadboards, it is easy to construct a soldered permanent circuit bases on the plug-in breadboard prototype.

BreadBoard Internal Connections

This article describes the internal connections for the BB300, BB400 and BB830 breadboards.