This is a wiring diagram that [Soranne] put together when developing a method of programming PIC microcontrollers ... has been working on a program to push code to the Arduino via the USB connection.

Surely creating them from a simple microcontroller will be impossible! Not according to [techtoys], who has created an Arduino shield ... used for interesting new applications.

was created by Damien George specifically as a lightweight version meant for microcontrollers – capable of running on 256 kb of code space and 16 kb of RAM. To program an Arduino board using ...