AV to HDMI converter

Class D digital audio amplifier with Bluetooth 5.0 module. It has two channels with a power of 300 W and can work with 4 Ω speakers. Powered by alternating voltage 230 V

Modular power supply with a power of 3 W, input voltage from 100 to 240 V and output voltage of 5 V. Designed for mounting on a PCB. Hi-Link HLK-PM01

Module with 16 12 V relays with a load of up to 7 A. The board communicates via the Ethernet interface. Numato Lab 16ETHRL001

A module that provides galvanically isolated, bidirectional I²C communication and isolated power supply, protecting devices from misconnections and voltage differences. Thanks to the TI ISO1640B device, it supports data transfer up to 1.7 MHz, and the power supply isolation via MPS MIE1W0505BGLVH eliminates ground loops and interference. Pololu 5392

Step-Up converter with an output voltage of 5 V, an input voltage of 0.9 to 5 V and a maximum current of 0.48 A

Gravity: Joystick Module V2 is a joystick module with two analog outputs (X and Y axis) and a digital output (Z axis) supplied with 3.3 ... 5V voltage. DFRobot DFR0061

Extension module with ADC AD7616 converter dedicated to FPGA boards. It offers 32 channels with a resolution of 16 bits and an FMC LPC connector. Numato Lab NLFMCADC002

Module with eight 240V/2A relays controlled by 5V with a fuse triggered by a high state. modSSR-8CH-H

The S7V8F3 step-up/step-down converter regulates the voltage at 3.3 V, supporting an input voltage range of 2.7 V to 11.8 V, making it ideal for battery-powered applications. With an efficiency of over 90% and protection against short circuits and overheating, it provides reliable and energy-efficient operation in a wide range of conditions. Pololu 2122

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

Two-channel DC motor driver communicating via UART, SPI or I2C interface. It can control the movement of 3 to 11V motors with a maximum continuous current of 1.2A per channel. SparkFun ROB-13911

Step-Down converter with adjustable output voltage from 4.2 V to 15 V and output voltage up to 45 V. It is equipped with reverse voltage protection, input undervoltage lockout, overload and short circuit protection. Pololu 4855

Real time clock (RTC) module PCF8523. It communicates via the I2C interface. Adafruit 3295

Miniature ESC type controller for a DC motor with an input from 3.7 V to 5 V. Offers an additional output current of up to 1.5 A and allows you to control the motor in a channel mixing device

16-channel PoE GPI/GPO module enabling connection of a PC to other electronic circuits via a network. It does not need a separate cable for power and data transmission. It can be controlled via a simple web interface or Telnet. Numato Lab NLGP1001-A

Compact board for controlling RGB and white LED strips, allowing easy connection without the need for soldering. With WS2811F and N-channel FETs, it supports up to 3A of current per channel, making it ideal for high-current LED strips, but does not support RGBW strips. Adafruit 5888