7-segment LED display, 1 digit 9.90mm, bright green (575nm), 15mcd (10mA), common cathode, Pb-free. LED1-AS-B-03911AMG

This small synchronous switching step-down (or buck) regulator takes an input voltage of up to 38 V and efficiently reduces it to 7.5 V. The board measures only 0.7″ × 0.7″, but it allows a typical continuous output current of up to 2.5 A. Typical efficiencies of 85% to 95% make this regulator well suited for powering moderate loads like sensors or small motors.

A4988 Stepper Motor Driver Carrier with male header pins installed, so no soldering is required to use it with an appropriate 16-pin socket or solderless breadboard. Pololu 2981

A4988 Stepper Motor Driver Carrier with male header pins installed, so no soldering is required to use it with an appropriate 16-pin socket or solderless breadboard. Pololu 2980

Step-Down Voltage Regulator D24V25F5. Pololu 2850

The compact (0.4″ × 0.5″) D24V5F12 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 12 V while allowing for a maximum output current of 500 mA.

The compact (0.4″ × 0.5″) D24V5F6 synchronous buck voltage regulator takes an input voltage of up to 36 V and efficiently reduces it to 6 V while allowing for a maximum output current of 500 mA. Pololu 2844

Akyga AK-CA-86 is a compact SATA/USB 3.0 adapter that facilitates fast and convenient connection of 2.5" drives to a computer. With support for external power and Plug and Play functionality, it is suitable for both service and home applications. This practical data-handling tool is ideal for users seeking a mobile and functional solution.

The compact (0.4″ × 0.5″) D24V5F1 synchronous buck voltage regulator takes input voltages between 3 V and 36 V and efficiently reduces them to 1.8 V while allowing for a maximum output current of 500 mA. This regulator offers typical efficiencies between 75% and 90%. The pins have a 0.1″ spacing, making this board compatible with standard solderless breadboards and perfboards.

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 7.5 V and a maximum output of 2.5 A to 3.5 A. Pololu 4982

Step-Up/Step-Down DC-DC converter module. It has an input voltage of 2.8 to 22 V, an output voltage of 9 V and a maximum output of 2.5 A to 3.5 A. Pololu 4983

Long-range Sub-GHz wireless RF transmitter and receiver module, capable of operating in the 868 MHz frequency band. The integrated architecture allows the use of a minimum number of external components while maintaining maximum design flexibility. Hoperf RFM22B-868S2

The Akyga AK-UP-06 server cable, 1.8 m long and with a strength of up to 15 A, has IEC C14 and IEC C15 plugs, ideal for powering servers, hot-plug and hot-swap devices and service bypasses in UPS systems.

Lanberg Cat. 6A patch cord with Fluke Passed certification guarantees the highest quality and reliability, enabling optimal network connection compatible with various network devices in any environment. Lanberg PCF6A-10CC-1000-Y

The Step-Down D24V3F3 Buck Voltage Regulator module gives the output voltage of 3,3V with a wide input voltage range of 4.3-42V and a maximum output current of 300 mA. Pololu 2097

Module with 4-channel ADC ADS1115 converter. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 1085

DRV8801 Single Brushed DC Motor Driver Carrier

The Step-Up NCP1402 Buck Voltage Regulator module with output  voltage 3.3V, input voltage range of 0.8-3.3V and a maximum output current of 200 mA. Pololu 2114