This is modeled after the Lilypad hardware, and fits nicely on top of the plastic case of the microcontroller, allowing it to be used in a breadboard ... is a full Arduino, but the circuit board ...

Before opening the Arduino software, wire up the Arduino according to the circuits page using the 8MHz minimalist breadboard circuit but with a 10k pull-up resistor on the reset pin (physical pin 1).

A few things might inhibit an Arduino, AVR ... I did end up make a simple PCB that plugs into a breadboard, but looking back the simple circuit would have worked just as well placed directly ...

Compatible with Arduino and Raspberry Pi, it can almost meet all your needs. (Without Microcontroller Board) Breadboard and Power Supply Modules-Include various LEDs, resistors, buttons ...

Want to build a complex circuit-based project with your ... cables to interface the different parts of your Arduino project ...