An efficient step-down converter that steps down the input voltage from as low as 45 V to a regulated output voltage range of 1.4 to 7 V, offering high efficiency and a maximum continuous current of 3.8 A. It has built-in reverse polarity, overload and short circuit protection, and the spread spectrum function reduces EMI interference. Pololu 4853

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 miniature vibration motor generating vibrations at over 12,500 rpm at a voltage of 3 V, ideal for applications in phones, game controllers or medical devices. With its small dimensions (11.6 × 4.6 × 4.8 mm), low current consumption (65 mA) and flexible cover reducing noise, it is an energy-efficient and easy-to-integrate component for tactile signaling. Pololu 2265

Mini Tamiya Plug with 10cm Leads, Female

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

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 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.

Small, metal support ball, 1/2" diameter (approx. 12.7 mm). It can be used as a support element in a two-wheeled mobile robot. Pololu 953

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

Step-Up/Step-Down converter module based on the S13V15F5 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 A. Pololu 4084

ACS724LLCTR-10AB current sensor module with a DC and AC measurement range from -10 to +10 A. It communicates via an analog interface. Pololu 4043

Programmable radio module operating at 2.4 GHz. It is based on the CC2511F32 microcontroller. The board has analog outputs, PWM, USART and SPI interfaces and a USB connector. Pololu 1337

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

Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 5 V and a maximum input of up to 2 A. Pololu 4941

Female-female cable, 16 cm long, with JST-SH 6-pin plug on both sides. Suitable for micro DC motor encoders with gear. Pololu 4766

The Step-Down D24V3F5 Buck Voltage Regulator module gives the output voltage of 5V with a wide input voltage range of 7-42V and a maximum output current of 300 mA. Pololu 2098

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 4341

Compact ISP programmer for AVR microcontrollers. Works with Atmel Studio, AVRDUDE and Arduino IDE environments, using the STK500 protocol. Has a USB-TTL adapter function. Pololu 3172

Pololu - 1524

This sensor is a carrier/breakout board for ST’s VL53L0X laser-ranging sensor, which measures the range to a target object up to 2 m away.