Mecanum Wheel Car Chassis Omnidirectional Smart Robotic Car DIY Kit w/ 140RPM Motor Unassembled Black Magnetic Hall Encoder Parameters: Type: AB two-phase incremental magnetic Hall encoder Line speed: basic pulse 11PPR x gear reduction ratio Power supply voltage: DC 3.3V/ DC 5.0V Basic function: built-in pull-up shaping resistor, single-chip direct connection Interface type: PH2.0 Output signal type: square wave AB phase Response frequency: 100KHz Basic pulse number: 11 PPR Number of magnetic ring trigger poles: 22 poles (11 pairs of poles) Motor speed: 140rpm Terminal Wire Sequence Description: Red wire: M1 motor power input +positive Black wire: GND encoder power input -negative Yellow wire: C1 encoder signal output phase A Green wire: C2 encoder signal output phase B Blue wire: 3.3V/5.0V encoder power input +positive White wire: M2 motor power input-negative The positive and negative poles of the red and white wires can be adjusted to change the basic rotation direction of the motor Package List: -4 x 3-inch Wheels -4 x Wheel Pads -4 x Aluminum Alloy Couplings -4 x Motors -4 x Motor Bracket -1 x Bottom Plate -1 x Two-layer Board -1 x Screw Pack -1 x Wrench -1 x Hexagon Wrench Note: -The product is a DIY kit, not assembled, and does not include electronic parts such as control boards, and we do not provide electronic parts. Installation drawing is not provided. Usually it costs about 30USD-50USD. If you receive the item that not satisfied or defective, please do not open case and kindly notify us within 30 days.