Current measurement module using the galvanically isolated Allegro ACS37200LLXTR-100B5 Hall-effect sensor. It provides a ±100 A bidirectional range, 150 kHz bandwidth, response time below 4 µs, and an extra-low current path resistance of approximately 0.05 mΩ. Pololu 5793

4-channel digital isolator based on the Texas Instruments ISO6540, providing galvanically isolated digital signal transmission at speeds up to 50 Mbps. The module features four forward channels (4/0), functional isolation up to 400 VRMS, independent power supplies for both sides, and can also be used as a logic level shifter. Pololu 5740

The holder for 4 AA R6 batteries is an ideal solution for people who need a simple and reliable way to connect AA batteries to obtain a voltage of 6 V

DC-DC Step-Up/Step-Down Converter Module. It has an input voltage of 1.4 to 16 V, an output voltage of 3.3 V and a maximum output current of 1 A to 1.5 A. Pololu 4964

Compact module for bidirectional current measurement using the galvanically isolated Allegro ACS37200LLXTR-100B5 Hall-effect sensor. It provides a ±100 A range, 20 mV/A sensitivity, 150 kHz bandwidth, and a response time below 4 µs. Pololu 5783

A modern current sensor combining the Hall effect with an inductive coil, which allows for precise measurements of both the DC and AC components up to 5 MHz. Thanks to its lightning-fast response time and low path resistance, it is perfect for motor control systems, power converters and protection systems. Pololu 5230

Efficient step-down converter that reduces the input voltage from up to 45 V to a regulated output voltage range from 1.4 to 7 V, offering high efficiency and a maximum continuous current of 3.8 A. It has built-in protection against reverse polarity, overload and short circuit, and the spread spectrum function reduces EMI interference. The module is equipped with an additional potentiometer for adjusting the cut-off voltage. Pololu 4852

A set of two black plastic brackets for mounting micro Pololu motors. Mounting screws and nuts are included. Pololu 989

Pololu high power miniature motor with carbon brushes. 75:1 gear motor, shaft speed 450 rpm, torque 1kg*cm. The motor has an extended shaft, which makes it easy to attach the encoder. Pololu 3051

Current measurement module with the galvanically isolated Allegro ACS37200LLXTR-200B3 Hall-effect sensor. It provides a ±200 A bidirectional range, 6.6 mV/A sensitivity, 150 kHz bandwidth, and a response time below 4 µs. The large carrier board facilitates high-current connections. Pololu 5792

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±30 A range with galvanic isolation. It features a high-sensitivity analog VOUT output with a 150 kHz bandwidth, enabling fast and precise readings in dynamic systems. The module operates over a wide temperature range of -40°C to 125°C, and its low current path resistance (~1.6 mΩ) minimizes energy loss. Its small size and flexible mounting options make it ideal for prototyping, industrial systems, and space-constrained projects. Pololu 5451

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

Isolated DC-DC step-down regulator designed to reduce a 5.5–36 V input to a regulated 5 V output. It provides up to 300 mA of output current, an optional 5.5 V output setting, and galvanic isolation between the input and output sides. Pololu 5756

A set of spare parts for the Balboa balancing robot that can be mounted in many ways. Pololu 3574

Step-Up/Step-Down converter module based on the S13V20F5 system. It has an input voltage from 2.8 to 22 V and an output voltage of 5 V. The current efficiency of the converter is up to 2,5 A. Pololu 4085

Aluminum Standoff: 1/2" Length, 4-40 Thread, F-F (4-Pack)

Module with DC motor driver DRV8874. It can work with motors supplied with the voltage from 4.5 to 37 V and current consumption up to 2.1 A. Pololu 4035

Pololu 4816 is a set of two JST SH 5-pin top-entry adapters that enable integration of JST SH wires with breadboards and prototype boards. With support for voltages up to 50 V and currents up to 1 A per pin, the adapters are suitable for many prototyping, communication, and power applications.

Pololu high power miniature motor with carbon brushes. 380:1 gear motor, shaft speed 85 rpm, torque 5kg*cm. The motor has an extended shaft, which makes it easy to attach the encoder. Pololu 4799

Two adapter boards with 2-pin back-entry JST SH connectors for single-shaft Pololu micro metal gearmotors. They provide a quick and reliable interface for power cables in compact electronic and robotic assemblies. Pololu 5096