Low Energy Bluetooth adapter module with USB 2.0 connector. allows communication with BLE devices

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

DC-DC Step-Up converter U3V40F9 with an output voltage of 9 V, an input voltage of 1.3 to 9 V and a maximum output current of 4 A. Pololu 4015

A module with a high precision temperature sensor based on the MCP9808 chip. It allows for measurements with an accuracy of ±0.25°C and communicates via the I2C interface. DFRobot SEN0435

Module with ACS724LLCTR-05AB current sensor with a measuring range of direct and alternating current from -5 to 5 A. It communicates via an analog interface. Pololu 4041

4-color e-Paper display with a diagonal of 3" and a resolution of 400x168 px. Communicates via the SPI interface. Without a PCB. Waveshare 3inch e-Paper (G)

A module with a horizontal USB Type-C connector designed for prototyping devices. The pins are led out on a connector with a 2.54 mm pitch, which greatly facilitates the use of USB Type-C, e.g. with contact boards. SparkFun BOB-16998

The official “night vision” camera board released by the Raspberry Pi Foundation. High quality 8 megapixel Sony IMX219 image sensor custom designed add-on board for Raspberry Pi, featuring a fixed focus lens. It\'s capable of 3280 x 2464 pixel static images, and also support 1080p30, 720p60, and 640x480p60/90 video.

Module with 4 QTR type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4244

Waterproof momentary button with a diameter of 12 mm and a height of 25 mm in a stainless steel housing. Green color

The HC-05 signal lamp is an LED device powered by 12 V, emitting intense blue strobe light at a frequency of approximately 500 flashes per minute. It is commonly used in gate automation and alarm systems, providing high visibility and safety

Module with 4 QTRX type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4344

LPS22DF digital barometer module. It enables pressure measurement in the range from 260 to 1260 hPa and communicates via I2C or SPI. Pololu 2898

Module with 15 QTRX type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4315

Small 10 DoF IMU module with 3-axis gyroscope and accelerometer (LSM6DSO), 3-axis magnetometer (LIS3MDL) and barometer (LPS22DF). It is equipped with an I2C interface, a voltage stabilizer and a voltage level converter. Pololu 2863

Module with ACS724LLCTR-10AU current sensor with a measuring range of direct and alternating current from 0 to 10 A. It communicates via an analog interface. Pololu 4042

DRV8825 Stepper Motor Driver Carrier is a DRV8825 stepper motor driver that allows you to supply a bipolar current of up to 1.5 A per phase, without using a heat sink. The system can be supplied with voltage up to 45V, in the set there is a heat sink. Polol 2133