| A simple, inexpensive
            kit that adds 16 general purpose input/output lines AND an
            8-bit analog-to-digital converter to a BASIC Stamp or any
            serial device. Use it with the Stamp 1 for 23 I/O lines, & the
            Stamp 2 for 31 lines total! Communicates via a single I/O
            line, up to 9600 baud. Includes PC board, all parts, great instructions
              and app notes. Size: about 55 mm (2.2 in) square.         |