C64 cartridge expansion port is a 44-pin edge connector providing the 6510 processor address and data buses, control sig

The Commodore Amiga DB23 video connector outputs analog RGB, composite sync, and audio signals from Amiga 500, 1000, 200

PS/2 Mini-DIN 6-pin connectors are used for PS/2 keyboards (purple) and PS/2 mice (green) on IBM PC compatible computers

Centronics 36-pin connector is the original parallel printer port interface on printers from the 1970s through 2000s. Th

Apple used a DB25 D-sub connector for external SCSI on Mac Plus, SE, II, and early Power Macs instead of the Centronics

Apple Desktop Bus (ADB) is a daisy-chainable serial bus used by Apple computers from 1986 to 1999 for keyboards, mice, t

The DA-15 game port (joystick port) is a 15-pin D-sub connector on PC sound cards and motherboards from the 1980s to ear

DE-9 (commonly called DB9) is the 9-pin D-sub connector for RS-232 serial communication used from the 1980s through toda

M12 5-pin inclinometers measure tilt angle in one or two axes using MEMS accelerometers, outputting 4-20mA or 0-10V sign

Linear potentiometers for industrial position measurement use D-sub connectors to carry excitation voltage, wiper output