Pololu 4813 is a set of two JST SH 3-pin side-entry adapters that facilitate connecting wires to breadboards and prototype circuits. Thanks to the side-entry wire insertion, the modules are suitable for projects with limited space and requiring organized cable routing.

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

A switching converter that regulates 12V voltage from an input range of 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 5585

Module with ACHS-7122 current sensor with a measuring range of direct and alternating current from -20 to 20 A. It communicates via an analog interface. Pololu 4031

DC Barrel Plug to 2-Pin Terminal Block Adapter

These stackable 0.1" (2.54 mm) female headers are just the right height for connecting  Arduino Uno, Arduino Mega 2560, Arduino Leonardo. The set includes two 1×6 female headers, two 1×8 female headers, and one 1×10 female header, so it has everything necessary for both old- and new-style shields. Pololu 1035

Pololu 5V Step-Up Voltage Regulator U1V10F5

DC-DC Step-Down converter module. It has an input voltage from 5 to 45 V, an output voltage of 5 V and a maximum output current of up to 3.4 A. Pololu 4892

Female-female cable, 25 cm long, with JST-SH 6-pin plug on both sides. Suitable for micro DC motor encoders with gear. Pololu 4767

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 (3 mΩ), it supports currents up to 20 A continuous and 50 A transient, providing reliable protection and the possibility of easy assembly. Pololu 5388

Step-down voltage regulator module based on the APM81815 providing a fixed 3.3 V output at up to 1.1 A with an input voltage range of 5 - 72 V. Pololu 5266

Adapter for the 6-pin JST SH connector (vertical) with a pitch of 1 mm to the DIP holes, pitch of 2.54 mm. Pololu 4770

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 module enabling the conversion of input voltage in the range from 1.8 V to 5.3 V into the appropriate negative output voltage. It offers high efficiency in excess of 80%, making it ideal for applications where a lower power negative supply is required, such as biasing sensors or op-amp circuits. Pololu 2839

A compact Hall-effect current sensor that provides accurate DC and AC current measurement within a ±30 A range with galvanic isolation. It features an analog VOUT output with a sensitivity of 66.7 mV/A and 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 the 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 5443

This breadboard-compatible module is an alternative to bulky power switches. It uses a small integrated slide switch to control a high-side power MOSFET that can deliver continuous currents up to around 8 A at 4.5 V to 40 V. Pololu 2814

Small, plastic support ball, 3/8" diameter (approx. 9.5 mm). It can be used as a support element in a two-wheeled mobile robot. Pololu 950

Pololu 5655 is a JST PH and SH 4-pin connector adapter designed for systems based on a 2.54 mm pitch. With the side-entry PH connector and compact design, it is suitable for applications requiring low-profile mounting and four-channel signal or power connections.

This electromagnetic transducer is a compact way to add sound to your embedded project. Pololu 1484

Solarbotics GMW (GM2/3/8/9 Gear Motor Mount - ONE mount)