Breakout Board for ADMP401 MEMS Microphone, SparkFun

Industrial module with Ethernet interface that allows control of 8 relays via RJ45 port and has 8 built-in digital inputs. It uses Modbus TCP protocol, PoE (Power over Ethernet) power supply and is equipped with a rail-mounted housing. Waveshare Modbus POE ETH Relay (B)

UART debugger module designed specifically for Raspberry Pi 5. Allows easy connection to UART debug connector via SH1.0 3PIN cable, ensuring convenient and effective debugging. Waveshare Pi UART Debugger

Audio drive-out indicator module comprising two 12-segment LED displays. Powered by 7 to 12 V

4-channel stereo audio mixer in a metal housing. It has one output, on which the summed signal from 4 inputs is available. It is powered with the voltage from 5 to 12 V.

Pololu 5V Step-Up/Step-Down Voltage Regulator S7V7F5

Pololu 24V Step-Up Voltage Regulator U3V50F24

DC-DC Step-Down converter module AP63203 with an output voltage of 3.3 V, an input voltage of 3.8 to 32 V and a maximum output current of 2 A. SparkFun COM-18357

This speed controller is designed for high voltage and high current applications, ideal for electric vehicles, e-foils, and robotics. It supports voltages up to 84 V and continuous currents up to 200 A. Its ARM Cortex-M4 STM32F405RG processor ensures precise control and fast signal processing. It supports various control modes, works with BLDC and DC motors in both sensored and sensorless versions, and is configured via USB or Bluetooth using the VESC Tool. Makerbase VESC 75200 V2

A set of elements that allows you to build an economical lamp powered from a mains socket using a standard micro USB charger. In this version, a dedicated board is used, which makes the set more aesthetic and easier to assemble. Kitronik 2161

Expansion module with AD9763 DAC converter. It offers two channels with a resolution of 10 bits and processing speeds up to 125 MSPS. Numato Lab AD9763DAC01

The 4x4 Membrane Keyboard Module with 16 Buttons is compatible with Raspberry Pi, Arduino, AVR and other microcontrollers. It is lightweight, durable and easy to assemble, making it ideal for various electronics projects. ModKB4x4

A single-channel DC motor controller with a UART TTL interface. It is powered from 1.8 V to 22 V and can deliver up to 1.8 A of current. Board with soldered connectors. Pololu 5076

BMS protection module designed for 13 Li-Ion cells. It has a charging function with balancer option and an over-discharge protection function. Dedicated to an electric bicycle or scooter

The DC charging and discharging module provides a stable 5V output with a maximum load current of 2A, regardless of the connected device. Equipped with a charge level indicator, push-button control and battery protection, it is suitable for projects such as DIY power banks, driving recorder power supply or charging mobile devices. DFRobot DFR1026

A two-channel DC motor controller with a UART TTL interface. It is powered from 1.8 V to 22 V and can deliver up to 1.6 A per motor. Board with connectors for assembly. Pololu 5081

The Tic T834 USB Multi-Interface Stepper Motor Controller makes basic control of a stepper motor easy, with quick configuration over USB using our free software. The controller supports six control interfaces: USB, TTL serial, I²C, analog voltage (potentiometer), quadrature encoder, and hobby radio control (RC).