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Description
Pololu 50:1 Micro Metal Gearmotor HPCB 12V w/ 12 CPR Encoder, Side Connector
Features 50:1 metal gearbox
Integrates 12 CPR encoder
Operates at 12 V, 650 RPM
Measures 10×12 mm gearbox
Supports bidirectional control
The Pololu 50:1 Micro Metal Gearmotor HPCB 12V w/ 12 CPR Encoder, Side Connector is a compact brushed DC motor equipped with a metal gearbox. It features a 10×12 mm gearbox cross-section and a 9 mm long, 3 mm diameter D-shaped output shaft. This gearmotor integrates a two-channel incremental Hall effect encoder, which detects the rotation of a magnetic disk on the motor shaft's rear protrusion. The encoder provides a resolution of 12 counts per revolution (CPR) of the motor shaft, which can be multiplied by the gearbox reduction factor to determine the CPR of the gearbox output shaft. For a 50:1 gearbox, this results in approximately 617 CPR.
The encoder is equipped with a 6-pin JST SH-style male connector, compatible with corresponding cables and connector boards. The side connector orientation is perpendicular to the motor. The motor terminals are accessible via red and black wires when used with appropriate JST cables, with M1 always connecting to the motor terminal marked with a “+”. The motor is designed to operate in both directions by alternating the polarity of the power to the motor leads.
The sensors are powered through Vcc and GND pins, with Vcc ranging from 2.7 V to 18 V. The quadrature outputs A and B are digital signals, driven low or pulled to Vcc through pull-up resistors, depending on motor orientation. These signals are square waves with a 50% duty cycle and are 90° out of phase, indicating motor direction and speed.
1x Pololu 50:1 Micro Metal Gearmotor HPCB 12V w/ 12 CPR Encoder, Side Connector
