Motor with 25 mm diameter and 58 mm length, 378:1 metal gear, 12 V operating voltage, 0,1 A to 1,1 A power consumption, 14 RPM speed and 23 maximum torque. Pololu 3258

Extension board with stepper motor controller based on the STSPIN820 system. Ideally suited for use, among others in 2D / 3D printers, robots, cameras. Pololu 2878

Small size driver module TB67S279FTG stepper motor powered with 10 ... 47V voltage and working current 1.1A. The controller allows you to control the motor movement up to 7 different resolutions (up to 1/32 of a step). Polol 3098

Pololu high power miniature motor with carbon brushes. 210:1 gear motor, shaft speed 85 rpm, torque 2.5kg*cm. The motor has an extended shaft, which makes it easy to attach the encoder. Pololu 3054

Small size driver module TB67S249FTG stepper motor powered with 10 ... 47V voltage and working current of 1.6A. The controller allows you to control the motor movement up to 7 different resolutions (up to 1/32 of a step). Polol 3096

Pololu G2 18v25 High Power is a miniature DC motor controller. Driver\'s power supply: 6.5 ... 30V. Current capacity of the module: 25A. The module has protection against back voltage and overvoltage. Pololu 1366

Pololu G2 24v12 High Power is a miniature DC motor controller. Driver\'s power supply: 6.5 ... 30V. Current capacity of the module: 12A. The module has protection against back voltage and overvoltage. Pololu 1364

Module with ACS724LLCTR-05AB current sensor with a measuring range of direct and alternating current from -5 to 5 A. It communicates via an analog interface. Pololu 4041

Pololu G2 18v15 High Power is a miniature DC motor controller. Power supply for the controller: 6.5 ... 30 V. Current efficiency of the module: 15 A. The module has protection against back voltage and overvoltages. Pololu 1363

Pololu G2 18v15 High Power is a miniature DC motor controller. Power supply for the controller: 6.5 ... 30 V. Current efficiency of the module: 15 A. The module has protection against back voltage and overvoltages. Pololu 1362

This synchronous switching step-down (or buck) regulator takes an input voltage of up to 40V and efficiently reduces it to 5V with an available output current of around 15A. Typical efficiencies of 80% to 95% along with its high current capabilities make this regulator well suited for powering large loads. Pololu 2881

The shunt regulator has an adjustable 4 ... 18V voltage, a 1.5 Ohm shunt resistance and a total of 32 SMT bypass resistors on both sides of the PCB. Pololu 3778

Step-Down DC-DC converter module based on the D24V150F12 chip. Input voltage 14.5 ... 40V, output voltage 12V (max 15A). Pololu 2885

Motor with 25 mm diameter and 69 mm length, 99:1 metal gear, 12 V operating voltage, 0,2 A to 2,1 A power consumption, 76 RPM speed, 12 maximum torque and 48 CPR encoder. Pololu 4867

This module features a fixed-gain, 38 kHz modulated IR sensor and a corresponding IR LED with oscillator circuit to make a tiny proximity sensor. This low-brightness version draws an average of 8 mA at 5 V and has a typical sensing range up to approximately 12 inches (30 cm).

This powerful step-up/step-down regulator efficiently produces an adjustable 4 V to 12 V output from input voltages between 3 V and 30 V while allowing a typical output current of up to 2 A when the input voltage is close to the output voltage and offering typical efficiencies of 80% to 90%.

Motor with 25 mm diameter and 67 mm length, 47:1 metal gear, 12 V operating voltage, 0,3 A to 5,6 A power consumption, 210 RPM speed, 12 maximum torque and 48 CPR encoder. Pololu 4845

A pair of 32x7mm silicone tires compatible with Pololu 32x7mm wheels. Pololu 3407

Kit includes all the basic mechanical parts to get up and running, including two motors, two wheels, one ball caster, and battery contacts. Pololu 3500

Shunt regulator with a constant voltage of 13.2V, bypass resistance 1.33 Ohms and a total of 12 SMT shunt resistors on both sides of the PCB with the possibility of adding an external potentiometer to adjust the preset voltage. Pololu 3770