Communication module with R800C chip designed for Raspberry Pi minicomputers. It adds support for GSM/GPRS (2G) networks. Waveshare SIM800C GSM/GPRS HAT

The Step-Up NCP1402 Buck Voltage Regulator module with output  voltage 3.3V, input voltage range of 0.8-3.3V and a maximum output current of 200 mA. Pololu 2114

Module with DHT20 sensor. It allows you to measure humidity in the range from 0 to 100% and temperature from -40 to 80 ℃. Seeed Studio 101020932

Module with audio amplifier and 8 Ω speaker with a power of 1 W. The board is equipped with a STEMMA connector. Adafruit 3885

IPS color LCD display module with a diagonal of 1.47" and a resolution of 172x320 pixels. The display has a built-in ST7789V controller and communicates via SPI interface. DFRobot DFR0995

Module with light sensor VEML7700. It allows you to measure the intensity in the range from 0 to 120 Klx. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 5378

Module with Flash memory W25Q128 with a capacity of 128 Mbit (16 MB). It communicates via the SPI interface. Adafruit 5643

Long-range Sub-GHz wireless RF transmitter and receiver module, capable of operating in the 868 MHz frequency band. The integrated architecture allows the use of a minimum number of external components while maintaining maximum design flexibility. Hoperf RFM22B-868S2

RGB LED driver module designed for QT Py and Xiao boards. It uses a 3.3V/5V voltage level converter and allows to control 30 Neopixel LEDs. Adafruit 5645

Step-Up/Step-Down converter module based on the S13V10F5 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 1 A. Pololu 4083

7-inch touch display with an IPS panel and DSI connector enclosed in a white polycarbonate protective housing intended for Raspberry Pi 4B. It provides high image quality and precise touch control, serving as a functional user interface in embedded applications and visualization systems.

AO3406 MOSFET transistor module with N channel and JST PH2.0 connector designed to control motor, solenoid or LEDs. Adafruit 5648

LCD 2x8 display, PCB 58x30 mm, LED backlight, extended temperature range, "fast" 1-LED 20mA AMBER cyrillic

1 MP monochrome camera module with OV9281 sensor working with Raspberry Pi. Equipped with shutter and IR filter. Waveshare OV9281-160 Camera

Ring light with 24 RGB diodes WS2812B type controlled by serial signal. The module can be powered with the voltage from 3.3 V to 5 V, only one signal line is required to control it. DFRobot DFR0888-24