AMAZING EDU GADGETS - 2. Digital Pen
A digital pen is an input device which captures the handwriting or brush strokes of a user and converts handwritten analog information created using "pen and paper" into digital data, enabling the data to be utilized in various applications. This type of pen is usually used in conjunction with a digital notebook, although the data can also be used for different applications or simply as a graphic.
Microsoft Surface Pen is a digital pen.
A Smart pen is more specific than a digital pen; this one satisfies the same basic characteristics, but also has other features like voice recording or text scanner.
A smart pen is generally larger and has more features than an active pen. Digital pens typically contain internal electronics and have features such as touch sensitivity, input buttons, memory for storing handwriting data and transmission capabilities.