Module with 9 QTR 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 4109

USB - UART TTL converter based on the FT232RL chip, the module is equipped with a miniUSB socket. Works with 3.3V or 5V voltage levels.

Module with a digital rotary encoder controlled by the I2C interface. The potentiometer has RGB LED backlight. The encoder generates post-movement information with 24 levels per revolution and rotation direction detection. SparkFun DEV-15083

Module with 2 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 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4242

Ring light with 12 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 DFR0888-12

Unshielded UTP category 6 Ethernet network cable with RJ45 plugs. Lanberg PCU6-10CC-0750-BK

LED strip with addressable RGB WS2813 diodes on a black PCB. It is powered by 5 V DC, has a length of 5 m and 30 LEDs/m. Protection degree IP67

Ring light with 16 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 DFR0888-16

Module with a 1.51" OLED transparent display. Communicates via the SPI or GDI interface. DFRobot DFR0934

The module with the converter USB-UART CP2104 dedicated for minicomputers Raspberry Pi. Adafruit 3589

Module with 7 QTR 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 4107

Module with 2 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 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4342

Module with 6 QTR 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 4106

HDMI cable Akyga ver. 1.4 with a length of 5 m

USR-LORA-XP-TX is a dedicated antenna in the 800–1020 MHz band, essential to ensure proper and stable radio communication with the USR-LG206-H-P module. The use of the antenna improves transmission efficiency and the operating range of the device.

Module with a button and green LED backlight. Controlled by the I2C interface, it has a built-in debouncing mechanism, pull-up resistors as well as interrupts and a FIFO queue. SparkFun BOB-16842

The multi-mode (SM) fiber optic patchcord with LC cand SC connectors in a duplex configuration is a high-quality cable designed for fast and reliable data transmission in fiber optic networks. Made with OM3 fiber and featuring an LSZH jacket, it ensures low attenuation and high bending resistance, making it ideal for telecommunications, data centers, and other professional network installations. FO-LUSU-MD31-0020-TQ

Module with 3-axis ADXL375 accelerometer with a wide measurement range up to ±200g. The board is equipped with a STEMMA QT connector and communicates via the I2C or SPI interface. Adafruit 5374

Miniature pressure measurement module equipped with a 25 psi piezoresistive pressure sensor. It allows you to perform calibrated and compensated pressure measurements from 60 mbar to 2.5 bar. SparkFun SEN-16476