Compact N20 DC gear motor with built in encoder for precise, adaptable motion control Key features Selectable supply voltages: 3V, 6V, and 12V to match different power sources and application needs Wide adjustable speed range from 18 RPM to 3000 RPM for low speed torque tasks and speed rotations Integrated encoder delivering 7 PPR with square wave phase AB output for reliable speed and position feedback N20 gear motor form factor with permanent magnet construction for efficient and consistent mechanical performance Compact size and low weight suitable for projects with limited space Why this motor helps Versatility: Multiple voltage options let you deploy the same motor across battery powered, USB or small DC supply systems without redesigning the drive stage Precise control: The 7 PPR encoder and AB square wave output enable closed loop or encoder assisted control for repeatable speed and positioning Space efficient: The compact N20 footprint fits tight assemblies while still delivering usable torque and speed range Reliability and efficiency: Permanent magnet construction supports steady performance over extended use and helps maximize electrical to mechanical conversion Compatibility and function Encoder output is compatible with standard quadrature decoding inputs on microcontrollers and motor controllers using digital pulse counting Operates with common DC motor drivers and PWM control schemes at the supported voltages Suitable for integration into custom PCBs, robotics platforms, hobby electronics, and small automation modules Practical applications Mobile robotics: Drive small wheels or actuators where closed loop speed control improves navigation and repeatability Precision mechanisms: Use for pan tilt units, camera focus drives, or micro positioning stages that require encoder feedback Automated prototypes and educational projects: Ideal for classroom kits, lab rigs, and DIY automation where compact size and adjustable speed are required Technical notes Encoder specification: 7 pulses per revolution, square wave output on phase A and phase B for quadrature decoding Motor type: N20 DC gear motor with permanent magnet rotor Speed control: Adjustable across the stated RPM range using typical PWM or voltage control methods compatible with the selected supply voltage This motor provides a compact, feedback capable solution for projects that require flexible power options, precise speed and position information, and a small mechanical footprint.