This board is ideal for home automation or smaller projects or mobile robots, Lichtsteuerng suitable. On the Arduino page you can download for free a workbench. One can simultaneously the device into the USB to the computer and an external Operate 5V supply for electrical projects. After 3 seconds to compile, the Progrmm is transmitted and started directly to the Board. The board keeps track of even the program when the power is off. It runs after turning right to get rid of and can have a reset switch from the outset be started. The 32KB memory are sufficient. About Adafruit eg [...] There are exciting projects for it. Also very good, I find that one can define the ports as inputs or outputs in the program. The program structure is very simple and so clearly even for beginners. Would actually be 4.5 points. The number of inputs and outputs (14Digital I / O 6 Analog I / O) is a bit narrow. Man could possibly shift register here used to expand or possibly the next larger "SODIAL ATmega16U2 Mega2560 R3 'use.