Compact module that allows easy changing of I2C sensor addresses, allowing coexistence of multiple devices with the same address on one bus. With DIP switches and optional soldering resistors, users can easily configure sensor addresses without having to modify the code or use external components. DFRobot DFR1185

Set of 10 pcs. Male-male black male cables, 15 cm long, for contact plates. CAB_M-M (BK-10-15)

Laser dust sensor is a digital universal particle concentration sensor,it can be used to obtain the number of suspended particulate matter in a unit volume of air within 0.3 to 10 microns, namely the concentration of particulate matter, and output with digital interface, also can output quality data of per particle. DFRobot SEN0177

Ultrasonic distance sensor MB1020 with a range from 0 to 645 cm. It has an output in the form of a serial interface, analog signal or generates an impulse whose duration is proportional to the measured distance. Pololu 792

Module with 4-digit 7-segment LED display. The board is equipped with a TM1637 driver and communicates via a digital interface

Lanberg is a high-quality audio cable with 3.5mm Mini-jack and RCA plugs that provides excellent stereso sound transmission and is compatible with a wide range of devices, chcracterized by resistance to interference and minimal self-noise. Lanberg CA-MJRC-10CC-0015-BK.

USR-SG1005 is a 5-port unmanaged Ethernet switch supporting 10/100/1000 Mbps speed, ideal for home and office networks. With store-and-forward technology and iron housing, it provides efficient data transfer and protection against electromagnetic interference

Module with 4-digit 7-segment LED display. The board is equipped with a TM1637 driver and communicates via a digital interface

Alphanumeric LCD 16x2 character display module with backlight and RGB text. Equipped with I2C converter and 6 buttons. DFRobot DFR0936

DC-DC step-down converter module 12V 12A used to convert energy from 15-24V input voltage to stable 12V, providing up to 12A current. Thanks to high conversion efficiency (over 90%) and low ripple (<50mV), it is ideal for powering sensitive devices in applications such as robotics, drones or LED lighting systems. Additionally, built-in overheating and short-circuit protection mechanisms ensure reliable operation even in difficult conditions. DFRobot DFR1208

Cable with USB plugs type A and micro-USB type B, cable length 1m. The cable has a white nylon braid. Only for charging

Module dedicated to Raspberry Pi, which supports various wireless communication modes, such as LTE-TDD, LTE-FDD, GSM, GPRS and EDGE. With download speeds of up to 10Mbps and upload speeds of up to 5Mbps, this module is perfect for IoT applications such as remote information processing, device monitoring, POS terminals, industrial routers, remote diagnostics and satellite positioning. Waveshare A7670E Cat-1/GNSS HAT

Module with tact switch button. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020003

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

The USB-A 3.0 to RJ-45 adapter with the RTL8153 chipset enables data transmission up to 1000 Mb/s, supports Wake on Lan, PXE, Plug and Play functions, is self-powered, has a cable length of 15 cm,is made of ABS, and is compatible with Windows XP/Vista/7/8/10 and Mac OS.

A step-down converter module that allows you to reduce the input voltage from 12.2–36 V to a stable 12 V, ensuring high efficiency thanks to SMPS technology. A maximum output current of 600 mA allows you to power microcontrollers, IoT modules, and other electronic systems. The device is equipped with short circuit and overheating protection and offers very low quiescent current. Pololu 5597

IPS LCD display with a diagonal of 6.25" and a resolution of 720x1560 pixels. It uses an HDMI connector for image transmission and has a built-in capacitive touch panel controlled via a USB Type-C connector. It is dedicated to users of Raspberry Pi, NVIDIA Jetson Nano minicomputers and PCs. Waveshare 6.25 inch 720x1560 LCD

RGB LED matrix display with 64x32 resolution (2048 LEDs). It has a HUB75 interface and can work with Raspberry Pi, Arduino or ESP32. Waveshare RGB-Matrix-P2.5-64x32

OLED display with a diagonal of 0.49" and a resolution of 64x32 pixels. Displays content in white. Uses the SSD1315 controller and communicates via the I2C bus. Waveshare 0.49inch OLED Module