The SX-28 starter kit comes with
these parts
SX-28AC/DIP microcontroller
24LC01B Serial EEPROM
7805 voltage regulator
14.31818MHz crystal
20MHz 3-pin ceramic resonator
50MHz oscillator
In-System-Programming header
9-volt battery clip for
power input
Ribbon headers for I/O ports
DB-9S
Stereo miniature phone jack and phono (RCA) jack
All resistors, capacitors and sockets
$54.50 each
Order part Number 12565