Arduino Tutorial 02: Buttons and PWM

In this tutorial we will learn how the Digital Input and Output pins work and we will make few examples using Buttons and LEDs. Also we will learn what is PWM (Pulse Width Modulation) and make examples for controlling the LED brightness using PWM.

Flower 3D Model

This is a nice rendered 3D model using Autodesk Showcase of a Flower 3D model. The flower has a mechanism for opening and closing it's leafs.