The module protects the load against reverse polarity to -60 V and blocks the flow of reverse current to the power supply. It uses the LM74700-Q1 ideal diode controller and a MOSFET transistor. Thanks to its low impedance (5 mΩ), it supports currents up to 12 A continuous and 40 A transient, providing reliable protection and the possibility of easy assembly. Pololu 5383

Adapter for the 6-pin JST SH connector (horizontal) with a pitch of 1 mm to the DIP holes, pitch of 2.54 mm. The set includes 3 modules. Pololu 4773

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

3-pin cable with a length of 30 cm and 28 AWG. A one-sided JST ZH 3-pin female connector that is compatible with the 3-pin connector of the Sharp GP2Y0A51 analog distance sensors. Polol 2411

The S7V8F3 step-up/step-down converter regulates the voltage at 3.3 V, supporting an input voltage range of 2.7 V to 11.8 V, making it ideal for battery-powered applications. With an efficiency of over 90% and protection against short circuits and overheating, it provides reliable and energy-efficient operation in a wide range of conditions. Pololu 2122

A compact voltage converter module that reduces input voltage from 5.2 to 65 V to a stable 5 V at currents up to 700 mA. It features high efficiency, low quiescent current (<0.2 mA), and short-circuit and thermal protection, ensuring safe and efficient operation. Its small size and ease of integration make it ideal for mobile devices, battery-powered designs, and systems requiring stable power. Pololu 5433

USB Mini-B Connector Breakout Board

This simple board breaks out all five pins of a USB Micro-B connector to a 0.1″ pin spacing that is compatible with standard perfboards, solderless breadboards, and 0.1″ connectors. Pololu 2586

Pololu 4811 is a set of two JST SH 2-pin side-entry adapters that enable connecting JST SH wires to breadboards and prototype circuits. Thanks to the standard 2.54 mm pitch and the side-entry connector layout, the module facilitates integration in projects with limited mounting space.

Pololu 4815 is a set of two JST SH 4-pin side-entry adapters that allow connecting JST SH wires to breadboards and prototype boards. Thanks to the side-entry wire insertion, these adapters are particularly useful in projects with limited space and where organized cable routing is important.

A module with a USB type C connector designed for device prototyping. The pins are led out on a connector with a 2.54 mm pitch, which greatly facilitates the use of USB type C, e.g. with contact plates. Pololu 3411

The ACS71240 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 120 kHz) and low conduction resistance (0.6 mΩ), it minimizes energy loss and offers a fast response time of less than 5 µs. Pololu 5245

This SPST solid-state relay module allows for safe switching of DC circuits up to 30 V and 11 A, offering galvanic isolation and low conduction resistance (approx. 30 mΩ) thanks to the use of back-to-back MOSFET transistors. It features fast switching time (up to 1 ms), low control current consumption (approx. 10 mA), and the ability to control a signal from 2.7 to 40 V. Its compact design, lack of mechanical components, and the ability to mount on 2.54 mm connectors or screw terminals make the module a durable and quiet solution for systems requiring reliable insulation and long service life. Pololu 5421

Tiny breakout board for TI’s DRV8838 motor driver can deliver a continuous 1.7 A (1.8 A peak) to a single brushed DC motor. Operating voltage range from 0 V to 11 V, built-in protection against reverse-voltage, under-voltage, over-current, and over-temperature. Pololu 2990

15:1 Micro Metal Gearmotor. Pololu 4784

A step-down converter module that allows you to reduce the input voltage from 4–36 V to a stable 3.3 V, ensuring high efficiency thanks to SMPS technology. A maximum output current of 600 mA allows you to power microcontrollers, IoT modules, and other electronic systems. The device is equipped with short circuit and overheating protection and offers very low quiescent current. Pololu 5592

A switching converter that stabilizes a 5V input voltage from 2.6V to 20V. It offers high efficiency of 70-95% and the ability to operate with a continuous input current of up to 900mA and a peak current limit of 2.2A. With a switching frequency of 1.6MHz and a power-saving mode, it is suitable for both high-performance and low-power applications. Pololu 5581

Nylon Spacer: 6mm Length, 4mm OD, 2.7mm ID (50-Pack)

TB6612FNG Dual Motor Driver Carrier