USB step-up switching converter with adjustable 0.5-30V output, up to 15W output power, CC/CV operation, integrated voltage, current and power display, thermal and short-circuit protection

Driver designed for controlling bipolar stepper motors, equipped with the DRV8825 IC and adjustable current limiting. It supports microstepping down to 1/32 step and a current of up to 1.5 A per phase without a heatsink or up to 2.2 A per phase with a heatsink. Soldered 333000

2-channel digital isolator based on the Texas Instruments ISO6520, enabling galvanically isolated digital signal transmission at speeds of up to 50 Mbps. The module features two forward channels (2/0), provides functional isolation up to 450 VRMS, independent power supplies for both sides of the circuit, and can also operate as a logic level shifter. Pololu 5746

The 4-channel Step-Down Converter module converts voltages in the range of 13.5-30V to 3.3V, 5V, 12V or regulated 2-28V, with a maximum current of 3A per channel and a total power of 50W. It includes protections and shutdown functions and can operate in temperatures from -40°C to +85°C.

The Step-Down converter module converts the input voltage of 11 - 26 V to a constant 9 V, with a maximum output current of 3 A, recommended up to 1.1 A for long-term operation. The conversion efficiency of the device is 96% and the module size is 22.3 x 17 x 4.2 mm

The 6-55V 200W Step-Up Converter Module is a device that converts a DC input voltage (6-35V) to a higher DC output voltage (6-55V) with a maximum input power of 200W, a maximum input current of 10A and a maximum output current of 7A. It offers a high conversion efficiency of up to 97.6% and it is recommended to keep a margin when operating for long periods to avoid overheating.

Switch module with an interlock. DFRobot DFR0423

BMS protection module designed for 10 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

BMS protection module designed for 7 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

A cable with a built-in converter that increases the voltage from the USB connector to 9 V. It is equipped with a DC Jack 2.1 x 5.5 mm plug

Isolated DC-DC step-up/step-down regulator designed to generate a 12 V output from a wide 5.5–36 V input range. It provides up to 100 mA at the main 12 V output, an additional isolated 5 V output, and galvanic isolation between the input and output sides. Pololu 5764

DFRobot SEN0230 is an industrial rotary encoder based on photoelectric technology, generating 400 pulses per revolution for each phase, which results in 1600 pulses per revolution in quadrature decoding. The robust construction made of aluminum and steel, combined with a maximum rotational speed of 5000 rpm, enables precise measurements in automation systems and motion control applications. DFRobot SEN0230

The module is equipped with eight 10A / 250VAC relays controlled independently via a serial bus (UART) or from a PC (through a microUSB connector). The NO / NC contacts of the relays have been led to the ARK screw terminals. The board recommended for use with Arduino enables the control of eight relays using only two microcontroller lines. ICSTATION ICSE014A

A compact board with eight 12-bit DACs that allow precise voltage control on each output via I2C communication. Compatible with 3.3V or 5V, it offers flexibility with a reference voltage setting and STEMMA QT or Qwiic connectors for easy integration with other I2C devices. Adafruit 6223

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

A step-down converter module that allows you to reduce the input voltage from 12.2–36 V to a stable 12 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 5597

A stepper motor driver for precise control of bipolar motors, offering six microstepping modes (from full to 1/32). It operates within a voltage range of 8.2V to 44V and delivers up to 1.5A per phase without cooling or up to 2.2A with a heatsink/fan, ensuring smooth and stable operation even at high speeds. Compatible with the popular A4988 and DRV8825 drivers, with an integrated regulator and overheating, overload, and short circuit protection, the TB67S581FNG is a reliable and versatile solution for applications requiring precise motion control. Pololu 2988

This BLDC motor controller, based on the Allegro A89301 chip, enables sensorless control over a wide voltage range from 5.5 V to 48 V and phase current up to 11 A without additional cooling. It supports four control modes: analog voltage, PWM signal, pulse frequency, and via an I²C interface with the ability to configure parameters and save settings to EEPROM. The Field-Oriented Control (FOC) algorithm ensures quiet and efficient operation, while built-in protection protects the system against short circuits, reverse polarity, and undervoltage. Pololu 5357

A switching converter that regulates 18V 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 5587

A protection module that acts like a perfect diode, allowing current to flow in only one direction with minimal energy loss. It supports voltages from 2.7V to 23V and currents up to 5A, providing effective protection against overvoltages and reverse current. It features an IMON output for current monitoring and a Power Good indicator to indicate correct operation. Its screw terminals and compact design make it ideal for battery-powered projects. Adafruit 6359