Here’s a no-PCB Arduino ... and an LED. 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 ...

A few things might inhibit an Arduino, AVR, or PIC user from ... or you can just lift up the connection on the breadboard and repurpose the LED. Be aware though: The mbed code assumes you have ...

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 ...