Nylon Spacer: 10mm Length, 4mm OD, 2.7mm ID (25-Pack)

An efficient step-down converter that reduces the input voltage to 3.3 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<20 μA). It supports input voltages from 3.3 V to 65 V, has a Power Good (PGOOD) function, an EN input for system shutdown, and short circuit and overheat protection, making it a reliable and energy-efficient solution. Pololu 5372

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

Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 12 V and a maximum input of up to 2 A. Pololu 4945

Module with 1 QTRX 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 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4301

Compact and efficient module designed for precise control of bipolar stepper motors, offering microstepping down to 1/32 step and maximum current up to 2 A in peak mode. Thanks to advanced features such as QuietStep (APFD) algorithm, built-in protections and pin compatibility with A4988, it is perfect for hobby, educational and industrial projects. Blue Edition version with four-layer board and 2 oz copper provides better heat dissipation, increasing reliability of operation even at higher loads. Pololu 5340

A step-down converter module that allows you to reduce the input voltage from 9.2–36V to a stable 9V, ensuring high efficiency thanks to SMPS technology. A maximum output current of 600mA allows you to power microcontrollers, IoT modules, and other electronics. The device is equipped with short circuit and overheating protection and offers very low quiescent current. Pololu 5596

Precision Hall effect current sensor offering galvanic isolation, wide 150 kHz bandwidth and the ability to measure AC and DC current with very low power loss. With differential measurement and immunity to magnetic interference, it is perfect for applications requiring accurate current monitoring, such as power supplies, converters or motor control systems. Pololu 5296

An efficient step-down converter that reduces the input voltage to 5 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<20 μA). It supports input voltages from 5 V to 65 V, has short circuit and overheating protection, making it a reliable and energy-efficient solution. Pololu 5363

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

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 5272

DC-DC Step-Up converter U3V40F7 with an output voltage of 7.5 V, an input voltage of 1.3 to 7.5 V and a maximum output current of 4 A. Pololu 4014

This tiny, cylindrical gearmotor consists of a coreless brushed DC motor and a 700:1 plastic planetary gearbox. The entire assembly has a diameter of just 6 mm (0.24″) and an extremely light weight of 1.3 g (0.046 oz), making it a great actuator for miniature robots and very small mechanisms.

Pololu 5319 current sensor provides electrically isolated DC current measurement in the range of 0 A to 65 A. Based on the Allegro CT433-HSWF65DR sensor, the module uses TMR technology and offers a bandwidth of up to 1 MHz together with an analog interface. Pololu 5319

Compact Pololu 5294 current sensor based on the ACS37220 IC, designed for measuring currents up to ±200 A at a 5 V supply voltage in applications requiring galvanic isolation and an analog output. Pololu 5294

Current sensor Pololu 5322 enables electrically isolated AC and DC current measurement in the range from -50 A to +50 A. The module is based on the Allegro CT432-HSWF50MR TMR sensor IC and provides up to 1 MHz bandwidth with an analog interface. Pololu 5322

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 5271

A step-down converter module that allows for input voltage reduction from 7.6-36V to a stable 7.5V, ensuring high efficiency thanks to SMPS technology. A maximum output current of 600mA allows for powering microcontrollers, IoT modules, and other electronic systems. The device is equipped with short circuit and overheating protection and offers very low quiescent current. Pololu 5595

Pololu 5323 current sensor provides electrically isolated AC and DC current measurement in the range of -65 A to +65 A. Based on the Allegro CT432-HSWF65MR sensor, the module uses TMR technology and offers a bandwidth of up to 1 MHz together with an analog interface. Pololu 5323

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 5273