Module with rotary potentiometer. The connector in this module has been moved to the other side of the PCB, which makes it easier to assemble and use this module. The module has a connector in accordance with the Grove standard. Seeed studio 101020048

HAT module with the PCA9685 server driver designed for Raspberry Pi minicomputers. The board is equipped with a 40-pin connector. Adafruit 3416

Module with a 7-color ACeP e-Paper display with a diagonal of 5.7" and a resolution of 600 × 448 px. It communicates via the SPI interface. Pimoroni PIM609

Module with a slide potentiometer. Depending on the position of the slider, the resistance value (maximum resistance 10kΩ) changes, which translates into the voltage value at the analog output of the module. The module has a connector in accordance with the Grove standard. Seeed studio 101020036

Tic T500 USB Multi-Interface Stepper Motor Controller

Module with 4 SSR relays with a load of up to 3 A. The board communicates via the USB interface. Numato Lab SSR40001-DC

Module with 4 relays with a maximum switching current of 7 A. It communicates via the USB interface. Numato Lab RL40001

Module with 4 5 V relays with a maximum switching current of 2 A. It communicates via the USB interface and does not require an additional power supply. Numato Lab USBPOWRL004

Capacitive soil moisture sensor with pump for M5Stack sets, equipped with holes compatible with LEGO. M5Stack U101

The module with a TA12-200 current sensor with a measuring range of alternating current up to 5 A. The board is equipped with a Grove connector and communicates via an analog interface. Seeed Studio 101020027

Module with 4 relays with a maximum switching current of 7 A. Equipped with the ATmega328P microcontroller, it can be programmed in the Arduino IDE. Numato Lab PRLY002

Finder 32.21.7.012.4300 is a compact PCB relay with a sensitive 12 V DC coil, designed for control circuits with loads up to 6 A. It is used in electronic devices, automation systems, and low-current applications requiring reliability and a small footprint.

OLED display with a diagonal of 2.4" and a resolution of 128x64 pixels. Displays the content in yellow. Uses the SSD1309 driver and communicates via the SPI or I2C bus. Waveshare 2.42inch OLED Module (C)

IPS 8.8" LCD display with built-in speakers. Equipped with HDMI interface and has a resolution of 480x1920 pixels. Waveshare 8.8inch Side Monitor

Module with a pulse sensor and the level of SpO2 (oxygen saturation level). It is based on the MAX30102 chip and communicates via the I2C or UART interface (Gravity connector). DFRobot SEN0518

Module with 32 12 V relays with a maximum switching current of 7 A. It communicates via the USB interface. Numato Lab RL320001

Step-Up/Step-Down converter module based on the S13V20F5 system. It has an input voltage from 2.8 to 22 V and an output voltage of 5 V. The current efficiency of the converter is up to 2,5 A. Pololu 4085

3D camera module with ToF technology and the ability to record images in RGB color with a resolution of 320 x 240 pixels. Additionally, it is equipped with an IMU measurement system. The camera enables easy acquisition of RGB-D data via a USB cable and, when combined with a web interface, enables viewing of depth maps, point cloud data, and rendering of colored 3D objects in real time. DFRobot SEN0583

Low Energy Bluetooth adapter module with 2x4 pin 2.54mm connector, extra / high. RS232 allows communication with BLE devices

Fingerprint Scanner - TTL (GT-521F52)