A tiny single-board computer manufactured by Parallax based on an 8051, PIC, or other microcontroller. The BASIC Stamp is about the size of a postage stamp (hence the name) and executes a variant of BASIC called PBASIC. Inexpensive, self-contained, and easy to program, they're used in education and simple embedded systems that require little horsepower but rapid delivery. A BASIC Stamp collection.
The BASIC Stamp is a microcontroller with a small, specialized BASIC interpreter (PBASIC) built into ROM. It is made by Parallax, Inc. and has been quite popular with electronics hobbyists since the early 1990s due to its low threshold of learning and ease of use (due to its simple BASIC language).