Decade Resistance Box - a module for regulating the resistance

DC motor controller powered with a voltage in the range of 1.8 to 10V with a maximum output current of 2.6A. Compatible with STM32 Nucleo. Shield is equipped with a connector compatible with the Arduino UNO R3 standard. STMicroelectronics X-NUCLEO-IHM13A1

Step-Down converter D36V28F3 with an output voltage of 3.3 V, an input voltage from 4.5 to 50 V and a maximum output current of 4.5 A. Pololu 3781

Audio amplifier with three output channels. It can be powered with the voltage from 5 to 26 V and has two outputs with a power of 50 W (left and right) and one with a power of 100 W (bass). Equipped with Bluetooth 5.0 communication. XY-S100L

Pololu Carrier with Sharp GP2Y0D810Z0F Digital Distance Sensor 10cm

The Step-Down Converter Module converts 4-40V to a regulated output voltage of 1.25-36V, supporting a maximum of 8A and 200W, with a conversion efficiency of 94%. It is a compact device (61 x 41 x 27 mm) using PWM modulation, ideal for industrial applications requiring a stable output voltage.

The expansion module is designed to work with micro:bit. It allows you to control 4 DC motors or two stepper motors and 8 servos. It communicates via the I2C interface. DFRobot DFR0548

Communication module with CAN-UART converter and USB 1.0 interface. It supports CAN 2.0 protocol and supports SLCAN. It is operated using AT commands. DFRobot TEL0150

Class D digital audio amplifier with Bluetooth 5.0 module. It has two channels with a power of 50 W and can work with speakers from 4 to 16 Ω. It is powered with the voltage ranging from 9 to 24 V.

Touch keyboard module with 16 buttons based on the TTP229 chip. It is equipped with a connector with derived signals and a power supply diode

The LM4950 audio power amplifier module with a power of 3 W per channel, powered by 10-15 VDC, equipped with a 3.5 mm Jack socket for audio input and screw connections for loudspeaker outputs, is equipped with thermal and short-circuit protection. It provides good sound quality with low energy consumption, making it ideal for small audio systems

The module with 4 relays is designed for the M5Stack sets. It allows you to control devices with an operating voltage of up to 250 V AC and a current of up to 10 A or a voltage of 28 V DC and a current of 10 A. M5Stack U097

A set consisting of a stepper motor driver module based on the ULN2003 system and a stepper motor powered with 5V voltage.

Your 5V system can wield great power with this big, beefy relay board. Kit contains all the parts you need to get your high-power load under control. Sparkfun KIT-13815

Class D PAM8304 stereo digital audio amplifier module. The system allows you to connect two speakers with an impedance from 4 to 8 Ω and a power of 3 W