Pololu #1442 19:1 Metal Gearmotor 37Dx52L mm 12V with 64 CPR Encoder

( 1 Piece ), HP Agilent HEDS-9731#252, Opto Sensor, 2 Channel Encoder 300CPR.

Pololu #4887 99:1 Metal Gearmotor 25Dx69L mm LP 12V with 48 CPR Encoder

Pololu #4695 100:1 Metal Gearmotor 37Dx73L mm 24V with 64 CPR Encoder

Emerson solenoid coil X-28894-70001 ASC2 220V

ACcu Coder 755A 000430509 Out-HVHTLD VDC 5-24/CPR-1024

ROTARY ENCODER OPTICAL, AVAGO, HEDS-5500-K05, 96CPR, Shaft Diameter 3/16" (ONE)

Keyence PZ-G52CPR Photosensor