Shunt regulator with a constant voltage of 33V, bypass resistance 4Ohm 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 3776

This small synchronous switching step-down (or buck) regulator takes an input voltage from 4 V to 36 V and efficiently reduces it to 3.3 V. The board measures only 0.7″ × 0.7″ yet delivers a typical continuous output current of up to 2.6 A and features reverse voltage protection.

ACS724LLCTR-05AU current sensor module with a current measurement range from 0 to 5 A. It communicates via an analog interface. Pololu 4048

Miniature, analog servomechanism with dimensions 20.0mm × 8.3mm × 17.3mm and weight 4.4g, power supply 4.8 ... 6V, maximum torque 0.6kg / cm (with 6V power supply). Pololu 3420

Support ball with fixing, designed for Romi Chassis chassis. Pololu 3536

Tracked chassis kit for the Pololu Zumo minisumo robot. The kit does not contain motors, batteries and electronic components. Pololu 1418

The versatile Romi chassis is a great starting point for your next mobile robot. This kit includes all the basic mechanical parts to get up and running, including two motors, two wheels, one ball caster, and battery contacts. The wheels and ball are white; all other plastic components are red.

The mountings allow the engine to be mounted on the Romi Chassis chassis. The motor is snap-fitted, which facilitates its quick assembly. The fixings are in pink. Pololu 3521

The mountings allow the engine to be mounted on the Romi Chassis chassis. The motor is snap-fitted, which facilitates its quick assembly. The mountings are in yellow. Polol 3524

ual MAX14870 Motor Driver is a dual DC motor driver compatible with the Raspberry Pi standard that allows you to control two DC motors with 4.5 ... 36V continuous current of 1.7A. Pololu 3758

Dual MAX14870 Motor Driver is a dual DC motor controller compatible with the Arduino standard that allows you to control two DC motors with 4.5 ... 36V continuous current of 1.7A. Polol 2519

Tic T500 USB is a stepper motor driver based on the MP6500 chip. It allows you to control the stepper motor whose voltage on the coil is 4.5-35V, the maximum current per coil is up to 1.5A. The controller can be controlled by: USB, TTL, I2C, RC (PWM model) etc. Pololu 3134

This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 51.45:1 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.

Pololu Dual MC33926 Motor Driver Shield for Arduino

ACS714 Current Sensor Carrier -30 to +30A

This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 150.58:1 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.

This gearmotor is a miniature high-power, 6 V brushed DC motor with long-life carbon brushes and a 9.96:1 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.

Step-Down converter with adjustable output voltage from 4.2 V to 15 V and output voltage up to 45 V. It is equipped with reverse voltage protection, input undervoltage lockout, overload and short circuit protection. Pololu 4875

The platform is based on the Atmega 32U4 microcontroller with a default Arduino compatible bootloader, 26 O / I ports and a microUSB port. Polol 3145

1660-Point Breadboard