Audio preamplifier based on the NE5532 chip. Powered with symmetrical DC voltage in the range from 9 to 15 V

A module with a temperature and humidity sensor based on the AHT20 system. It communicates via the I2C interface. DFRobot SEN0527

A module with a temperature and humidity sensor based on the AHT20 system. Equipped with a Gravity connector, it communicates via the I2C interface. DFRobot SEN0528

Gravity 2.0” IPS color display with a resolution of 320×240 px dedicated to microcontrollers with I2C and UART support, ideal for data visualization and user interfaces. With 16-bit color depth, dynamic widgets, a built-in icon library and 8MB memory, it provides smooth and attractive data presentation in projects based on Arduino and ESP32, among others. DFRobot DFR0997

Module with a 4-color e-Paper display with a diagonal of 3" and a resolution of 400x168 px. It communicates via the SPI interface. Waveshare 3inch e-Paper Module (G)

4-color e-Paper display with a diagonal of 7.3" and a resolution of 800x480 px. Communicates via the SPI interface. Without a PCB. Waveshare 7.3inch e-Paper (G)

4-color e-Paper display with a diagonal of 1.64" and a resolution of 168x168 px. Communicates via the SPI interface. Without a PCB. Waveshare 1.64inch e-Paper (G)

Precise solar radiation intensity sensor in the range from 400 to 1100 nm, communicating via Modbus-RTU (RS485) and resistant to harsh conditions thanks to the aluminum housing class IP67. High accuracy (±5%), fast response time (≤10 s) and resistance to dirt make it ideal for monitoring photovoltaics, environmental research and meteorology. DFRobot SEN0640

Rotary connector for 4 wires. Each conductor can carry currents up to 1A at up to 240V

Two-channel ESC controller for brushed motors. It can deliver 40 A and has wires terminated with an XT60 connector

Energy-saving environmental sensor, enabling precise measurement of temperature in the range from -40℃ to +85℃ and atmospheric pressure from 300 to 1100 hPa. Supports I2C and SPI interfaces, and thanks to the FIFO function allows to minimize energy consumption - even to 0.5 μA in standby mode. Compatible with Arduino, Raspberry Pi and Micro:bit, it is ideal for use in DIY projects, educational projects and weather stations. Seeed Studio 110992164

3-port HUB with USB 2.0 interface and RJ45 connector designed for use in industry. Enclosed in a metal case. Waveshare USB-HUB-3U-ETH-NP

The CAB-EC5-30cm cable enables safe and secure connection of power supply components in RC models. Flexible silicone insulation and EC5 connectors ensure high conductivity, durability, and resistance to current loads typical for demanding modeling applications.

Precise 3-axis compass based on FlipCore and TMR technology, offering magnetic field measurement in the range of ±2000μT without the need for calibration. With I3C support, sampling rate up to 400 Hz and Field Shock Recovery function, it is perfect for navigation systems, AR/VR, drones and autonomous vehicles. DFRobot SEN0619

Compact optical sensor based on the ITR9608 switch, which detects the presence of objects by interrupting a beam of light in a 5 mm gap. Thanks to high precision and compatibility with platforms such as Arduino or micro:bit, it is ideal for applications in robotics, automation and education. DFRobot DFR1129

Audio module that allows you to play sounds from a USB memory, microSD card, via Bluetooth or FM radio. It is equipped with a microphone, 3.5 mm audio jack and control buttons

Camera with a resolution of 2 MPx with a USB interface in a metal case. Equipped with CMOS IMX291 sensor with "Fisheye" lens with 175° viewing angle and microphone. ArduCAM B026101

Module with five ITR20001/T reflective sensors. Powered with the voltage from 3.3 V to 5 V, it has analog outputs. It can detect objects at a distance of up to 5 mm. Waveshare Tracker Sensor

2.8" TFT LCD display with touch screen. The display is equipped with an SPI interface for image display and touch screen operation. It has a resolution of 320x240 pixels. Waveshare 2.8inch RPi LCD (A)

A UART-Ethernet converter that provides easy communication between the UART TTL serial interface and RJ45 Ethernet. Configurable via website or AT commands. Waveshare UART TO ETH