DIY ITEM
Photoelectric Speed Sensor Encoder Coded Disc for Freescale Smart Car
Speed of pipe technical parameters:

Supply voltage: 5V
Mode of connection: Red-5V Black-GND
Output Signal: 5Vp-p two quadrature signal output
Peripheral Circuit : Add a pull up resistors 4.7 k will more stable

Code disk Technical parameters:

Number of lines: 100 lines
Outer diameter: 22mm
Bore Diameter: 3.5mm
Thickness: 0.3mm
Material: alloy steel
Production process: Laser Cutting