The ACS72981 current sensor module uses the Hall effect to accurately and safely measure AC and DC current, providing electrical isolation of the current path. With a wideband analog output (up to 250 kHz) and low conduction resistance (0.2 mΩ), it minimizes energy loss and offers a fast response time of less than 2 µs. Pololu 5251

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

DC-DC Step-Up/Step-Down Converter Module. It has an input voltage of 1.4 to 16 V, an output voltage of 5 V and a maximum output current of 1 A to 1.5 A. Pololu 4965

Step-Down converter with input voltage up to 36 V which effectively reduces it to 3.3 V, while maintaining current up to 500 mA. Pololu 2842

A module that provides galvanically isolated, bidirectional I²C communication and isolated power supply, protecting devices from misconnections and voltage differences. Thanks to the TI ISO1640B device, it supports data transfer up to 1.7 MHz, and the power supply isolation via MPS MIE1W0505BGLVH eliminates ground loops and interference. Pololu 5393

DC-DC Step-Up/Step-Down Converter Module. It has an input voltage of 1.4 to 16 V, an output voltage of 7.5 V and a maximum output current to 1 A. Pololu 4967

DC-DC Step-Up/Step-Down Converter Module. It has an input voltage of 1.4 to 16 V, an output voltage of 6 V and a maximum output current of 1 A to 1.5 A. Pololu 4966

A miniature lidar proximity sensor that detects objects up to 10 cm away, regardless of color, transparency, or lighting. It generates a digital signal (0 V on detection), operates in the 3-5.5 V range, draws only 30 mA, and supports sleep mode via the ENABLE pin. Ideal for robotics, automation, and contactless interfaces, it offers a fast response time (142 Hz), switching hysteresis, and a compact housing with an indicator LED. Pololu 5462

Step-Down converter D36V28F5 with an output voltage of 5 V, an input voltage from 5.3 to 50 V and a maximum output current of 4 A. Pololu 3782

Rechargeable NiMH Battery Pack: 8.4 V, 2200 mAh, 4+3 AA Cells, JR Connector

Module with ACHS-7123 current sensor with a measuring range of direct and alternating current from -30 to 30 A. It communicates via an analog interface. Pololu 4032

This gearmotor is a miniature high-power, 6 V brushed DC motor with a 986.41:1 metal gearbox, making it a great choice for applications requiring fine control at very low speeds. 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.

Tamiya 70145 Narrow Tire Set (2 tires)

Aluminum Standoff: 3/4" Length, 2-56 Thread, M-F (4-Pack)

Compact current sensor based on TMR technology, enabling precise measurements up to 30 A with minimal energy losses. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5305

Aluminum Standoff: 1" Length, 2-56 Thread, M-F (4-Pack)

Aluminum Standoff: 1/4" Length, 4-40 Thread, M-F (4-Pack)

Aluminum Standoff: 3/4" Length, 4-40 Thread, M-F (4-Pack)

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 6 V and a maximum output of 2.5 A to 3.5 A. Pololu 4981

Module with 25 QTR type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4125