Wireless switch operating at 433 MHz frequency. It does not require a power supply. DFRobot TEL0146

Adafruit Feather 32u4 RFM95 is a development board with built-in ATmega32u4 AVR microcontroller (8MHz, 32kB Flash, 2kB RAM) and RFM95W module enabling wireless communication in the 868 MHz or 915 MHz band. The board is compatible with Arduino IDE. Adafruit 3078

Camera module with OV5640 sensor with a resolution of 5 MPx. It features a 120° viewing angle lens and communicates via a parallel interface. Adafruit 5673

1.8-meter USB 3.0 cable with USB A and micro B plugs, used for data transmission and powering devices. Akyga AK-USB-13

The GR10-30 sensor module, which can recognise up to 12 user gestures from a distance of up to 30 cm. It supports communication via both UART and I2C interfaces. DFRobot SEN0561

Adafruit FeatherWing module with snap relay. It allows you to control high-power components using a microcontroller. It allows switching current to 2A (at 40VAC or 30VDC) and voltage up to 250VAC. Adafruit 2923

et with a measuring module and a probe for measuring electrical conductivity. It allows you to measure the salinity of water and soil. It has a Gravity analog output interface. DFRobot DFR0300-H

Akyga AK-AD-15 is a cable adapter that allows you to connect a mouse (green connector) and a keyboard (purple connector) with a PS/2 plug to a USB port on your computer. Akyga AK-AD-15

16x2 alphanumeric display with LED backlight. Black characters on a white background. Artronic LCD-PC-1602B-FHW K / W-2L E6 C

Dual motor controller allowing two DC motors to be driven with voltages from 4.5 to 13.5V and a continuous current of 1.2 A per channel. SparkFun ROB-14451

TFT color LCD display module with a diagonal of 1.3" and a resolution of 240x240 pixels. It has a built-in ST7789 driver and communicates via SPI interface. It is equipped with a microSD card slot and an EYESPI connector. Adafruit 4313

DRV8825 Stepper Motor Driver Module for Arduino. It allows you to control two drives, equipped with an XBee connector. DFRobot DRI0023

Module with monostable relay. It allows you to control high-power elements with a microcontroller. Adafruit 2895

A stepper motor controller that can operate with a voltage range of 24 to 110 VDC or 18 to 80 VAC and a maximum current of up to 8.4 A. It allows micro step configuration in the range of 2 to 256. 2DM860H

This is a breakout board for ON Semiconductor’s AMIS-30543 microstepping bipolar stepper motor driver, which features SPI-adjustable current limiting, 11 step modes (from full-step through 1/128-step), back-EMF feedback that can be used for stall detection or optional closed-loop control, and over-current and over-temperature protection. 

4-color e-Paper display with a diagonal of 4.37 "and a resolution of 512x368 px. Communicates via the SPI interface. Waveshare 4.37inch e-Paper (G)

16-channel IO expander with 10 analog inputs. The board communicates via the Ethernet interface. Numato Lab GPETH160001

Akyga AK-NB-08C is a one-meter cloverleaf power cable connecting the Schuko connector with the IEC C5 plug, suitable for powering laptops and monitors, made of durable, high-quality materials. Akyga AK-NB-08C

The Arduino expansion board is dedicated to applications that use NB-IoT communication. Thanks to the GNSS (Global Navigation Satellite System) module, it supports GPS, GLONASS, Galileo, QZSS and BeiDou navigation systems. The module is supplied with the voltage from 7 to 12 V. DFRobot DFR0572

Module from the ESP32 series, combining a powerful microcontroller, Wi-Fi and Bluetooth 4.2 BLE. ESP-WROVER-B has a built-in PCB antenna, a large number of GPIO lines and small dimensions. Adafruit 3979