The Lanberg Cat. 8.1 patch cord with Fluke Passed certification guarantees top quality and reliability, enabling optimal network connections compatible with various networking devices in any environment. Lanberg PCF8-10CU-0150-B

Module with 1 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 4341

Knob with an inner diameter of 6 mm for mounting on a rotary potentiometer. Red color

Diagnostic interface for wireless diagnostics of cars with OBD2 system. The device uses the popular 16-pin connector and is equipped with a Bluetooth 2.1 module. ELM327 Mini V2.1

Red mechanical keyboard switches. They can be used for a wide range of projects, including when building a proprietary, non-standard mechanical keyboard. They make a audible sound every time you press a key

Bluetooth stereo amplifier module that allows you to play music wirelessly from phones, tablets or computers. It automatically enters pairing mode after the first power supply and then connects to the last paired device, making it easy to use. The set includes 3W speakers with practical JST connectors, and the board is equipped with an integrated LiPo battery charging system, which allows powering from various sources, such as USB-C or battery. Kitronik 2182

Bluetooth 4.1 audio receiver with 3.5mm Jack audio output. It allows you to play files via Bluetooth, from mass memory (pendrive) or microSD card and supports WAV, APE, MP3 and FLAC formats. XY-BT-L

Stereo audio amplifier based on the TPA3116D2 chip. It can be powered from 12 to 26 V and has two 120 W outputs. XH-M543

Green mechanical keyboard switches. They can be used for a wide range of projects, including when building a proprietary, non-standard mechanical keyboard. They make a audible sound every time you press a key

The 7-inch HMI module based on the Raspberry Pi 5, with 4 GB RAM, 32 GB SD card and M.2 SSD slot, offers versatility in IoT and industrial automation applications. Equipped with a Broadcom BCM2712 processor (Cortex-A76, 2.4GHz), dual-band Wi-Fi, Bluetooth 5.0, dual 4Kp60 HDMI output, RS232/RS485, and a 1024x600 touchscreen, it provides performance, reliability and precise operation in harsh environments. Edatec ED-HMI3020-070C-04320

The 10.1-inch Raspberry Pi 5-based HMI module, with 4 GB RAM, 32 GB SD card and M.2 SSD slot, offers versatility in IoT and industrial automation applications. Equipped with a Broadcom BCM2712 (Cortex-A76, 2.4 GHz) processor, dual-band Wi-Fi, Bluetooth 5.0, dual 4Kp60 HDMI output, RS232/RS485, and a 1280x800 touchscreen, it provides performance, reliability and precise operation in harsh environments. Edatec ED-HMI3020-101C-04320

ARM Cortex-M3 CPU, Low power, 384kB Flash, 48kB RAM, 12 kB EEPROM, LCD, USB, 5xUART, 2xI2C, 3xSPI, ADC, DAC, LQFP144, STM, RoHS

The GY‑271 module with HMC5883L sensor is a precise digital compass offering three-axis magnetic field measurement, I²C communication, and 3 V–5 V operation. Suitable for robotics, navigation, and embedded systems requiring low power consumption and a compact form factor. GY‑271

The STEVAL-ISB043V1 is a Qi-based 2.5 W wireless power receiver evaluation board based on the STWLC33 and suitable for wearable applications. The STEVAL-ISB043V1 provides a complete kit, which includes the STWLC33 IC, firmware, layout and tools

The DC charging and discharging module provides a stable 5V output with a maximum load current of 2A, regardless of the connected device. Equipped with a charge level indicator, push-button control and battery protection, it is suitable for projects such as DIY power banks, driving recorder power supply or charging mobile devices. DFRobot DFR1026