The BOB-4-HG is the (header connector version) module for NTSC or PAL video.
This is a basic 16 character by 2 line display with a snazzy black background with white characters.
The MOP-AL162A-BYFY lets your microcontroller display data on a screen of 2 lines x 16 characters per line.
All MOS units can be directly connected to a microcontroller such as a PIC, BASIC Stamp, OOPic or PICAXE using the TTL interface.
The 7-Segment Serial Display turns the thirteen pins necessary to control a 4-digit 7-segment display into just one or three. The display will give you full control of all digits, decimal points, the colon and the apostrophe.