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Description
Pololu 298:1 Micro Metal Gearmotor LP 6V w/ 12 CPR Encoder, Back Connector
Features a compact 298:1 metal gearbox
Offers a 12 CPR incremental encoder
Supports 6V voltage operation
Delivers 45 RPM at no-load condition
Includes digital quadrature outputs
The Pololu 298:1 Micro Metal Gearmotor LP 6V w/ 12 CPR Encoder, Back 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 of the motor shaft, with the gearbox output counts determined by multiplying this by the gearbox reduction factor.
The encoder is equipped with a 6-pin JST SH-style male connector, compatible with corresponding cables and connector boards. The Back Connector orientation aligns parallel to the motor. The motor terminals are accessible via red and black wires when used with appropriate JST cables, with M1 connecting to the motor terminal marked with a "+" on the motor case. This mark is obscured on encoder versions due to the board coverage but is visible on non-encoder versions.
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 50% duty cycles and are 90° out of phase, indicating motor direction and speed through their transition order and frequency.
1x Pololu 298:1 Micro Metal Gearmotor LP 6V w/ 12 CPR Encoder, Back Connector
