Pololu 5242 with the ACS71240KEXBLT-050B3 chip is a compact current sensor module for precision measurement applications in the ±50 A range. With galvanic isolation, fast response to current changes, and short-circuit detection capability, it is used in power systems, automotive and industrial electronics, and embedded projects. It is ideal for measuring currents in both DC and AC circuits while ensuring safety and accuracy.

Single-channel brushed DC motor driver based on the MPQ6612A chip, enabling bidirectional motor control with a supply voltage of 4-40 V and up to 4 A continuous current. The module offers motor current sensing, active current limiting, overcurrent and thermal protection, and supports PWM control up to 200 kHz. The carrier board includes factory-soldered connectors, allowing the module to be used without additional soldering. Pololu 5286

Pololu 5650 is a JST PH and SH 2-pin connector adapter designed for integration with prototyping boards and modules with a 2.54 mm pitch. It allows conversion between JST PH and SH standards and enables quick wire connections in power and communication projects.

6-pin female JST SH-type connector that works with Micro Metal Gearmotor Encoders. Pololu 4763

This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 4.995:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter. This version also has a 4.5 × 1 mm extended motor shaft.

A set of two Pololu wheels measuring 40x7mm in white. Fits D-shaped shaft with a diameter of 3mm. Pololu 1454

A set of two Pololu wheels measuring 40x7mm in red. Fits D-shaped shaft with a diameter of 3mm. Pololu 1453

The core of a small robot, either as an auxiliary controller atop a Raspberry Pi base or as a complete control solution on its own. Its Atmel ATmega32U4 microcontroller comes preloaded with an Arduino-compatible bootloader. This version does not include any through-hole components or connectors, allowing for customized assembly or standalone use. Pololu 3118

Pololu high power miniature motor with carbon brushes. 100:1 gear motor, shaft speed is 330 rpm, torque 1.3 kg*cm. Pololu 3041

A set of two magnetic encoders for use with Pololu DC Micro motors. The maximum resolution is 12 pulses per one revolution of the motor shaft. Powered from 2.7V to 18V. Pololu 4760

Pololu high power miniature motor with carbon brushes. 100:1 gear motor, shaft speed is 330 rpm, torque 1.6 kg*cm (0.16 Nm). Pololu 3065

Step-Down Voltage Regulator D24V25F5. Pololu 2850

Tamiya double gear dedicated to small mobile robots. It is made of plastic modes that can be adjusted to two gears: 58:1 and 203:1. Pololu 61

A set of two Pololu wheels measuring 40x7mm in black. Fits D-shaped shaft with a diameter of 3mm. Pololu 1452

Adapter that allows you to easily mount the wheels on a motor with a shaft diameter of 4 mm using screws size 4-40. The hub fits both round and D-shaped shafts. Pololu 1081

Module with a digital distance sensor with a range of up to 50 cm. It has a digital output that goes low when an object is detected. Pololu 4067

These tall brackets offer an easy and  convenient mounting solution for mini plastic gearmotors.

A stepper motor driver for precise control of bipolar motors, offering six microstepping modes (from full to 1/32). It operates within a voltage range of 8.2V to 44V and delivers up to 1.5A per phase without cooling or up to 2.2A with a heatsink/fan, ensuring smooth and stable operation even at high speeds. Compatible with the popular A4988 and DRV8825 drivers, with an integrated regulator and overheating, overload, and short circuit protection, the TB67S581FNG is a reliable and versatile solution for applications requiring precise motion control. Pololu 2988

A set of adapters (adapter) from the popular 4 mm to 12 mm motor shaft, wheel holders from RC models. Pololu 2684

This set of two quadrature encoders for 20D extended-shaft motors provides precise rotational speed monitoring with 20 pulses per motor revolution. The devices utilize magnetic disc and Hall-effect sensors operating from 2.7-18V, and the digital outputs can be connected directly to a microcontroller. The encoders mount directly to the back of the motor, and the compact design and 6-pin JST PH connectors facilitate integration into robotic projects and control systems. Pololu 5661