The kit includes two adapters that convert from a 2mm banana plug to a 4mm banana plug, featuring nickel-plated spring contacts and black and red insulation. Designed for laboratory and prototyping applications, they provide a reliable connection and easy polarity differentiation

An H-bridge capable of controlling one DC motor in both directions or two unidirectional motors at voltages from 4.5 to 44 V and continuous currents up to 1.3 A. The module offers three operating modes (PH/EN, IN/IN, half-bridge), built-in current limiting and measurement, and protection against overheating, overload, undervoltage, and reverse polarity. Its compact design, flexible logic power supply (1.8–5.5 V), and simple control make it ideal for robotics, automation, and hobby projects. Pololu 4971

Ultra-low-power ARM Cortex-M3 MCU, 384kB Flash, 48kB RAM, 32 MHz CPU, LCD, USB, 3xOp-amp, LQFP100, STM, RoHS

5 mW red laser diode module, displaying a point. Ideally suited as an indicator element, and thanks to the built-in driver it is possible to supply voltage from 2.8 V to 5.2 V. Adafruit 1054

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

Ultrasonic distance sensor module with a range of up to 7.5m enclosed in a waterproof and dustproof housing. It is compatible with 3.3V or 5V devices such as Arduino, Raspberry Pi DFRobot SEN0313

Mini HDMI adapter with FFC connector. Designed for prototyping devices with HDMI interface. Waveshare Mini HDMI Adapter Horizontal (B)

A compact breadboard power supply module offering stable 3.3V and 5V outputs and real-time voltage, current and power monitoring via the built-in LCD display. Compatible with Seeed Studio XIAO boards and featuring plug-and-play functionality, the device is ideal for efficient prototyping with full control over power parameters. Seeed Studio 114993507

The TEC1-12712 Peltier cell is an advanced thermoelectric module, powered by 15.4V and conducting current up to 12A, which allows for effective cooling and heating at large temperature differences. With a cooling power of 116W, it is ideal for applications in processor cooling systems, lasers, LED modules and thermoelectric coolers.

LED backlight, WHITE WARM, light intensity 7.5 lm 12V 20mA, waterproof housing, easy self-adhesive assembly

Flashlight module using a bright 5000 mCd white LED. Power is supplied by a 12 V N-type battery, which is included in the set. The flashlight is equipped with a slide switch for convenient switching on and off. Kitronik 2114

MEMS SPM1423 digital microphone module with PDM modulation. It communicates via the I2S interface. M5Stack U089

Step-Up DC-DC converter module. It has an input voltage of 1.3 to 16 V, an output voltage of 5 V and a maximum input of up to 2 A. Pololu 4941

An educational kit that teaches the basics of electronics with an LED that changes colors in response to the lack of light. The kit includes all the necessary components, including a light sensor, a color LED, and a USB cable, and detailed instructions and teaching materials from Kitronik make assembly and introducing the topic of electronics into teaching easy. Kitronik 2184

Female terminal block, angled, 4-pin. Pitch 5.0mm. Height 15mm. 2EDGK-5.0-4P

11.6 "LCD screen with 1920x1080 resolution. The display is equipped with a capacitive touch screen. Waveshare 11.6inch HDMI LCD (H) (with case) (for EU)

Wide angle lens with CS-Mount. Focal length 6 mm, FoV 65°, manual focus. Designed to work with the Raspberry Pi HQ camera. ArduCAM LN029

Bluetooth 4.1 Audio Module with MP3 player and 3.5 mm Jack output enables wireless music playback and handling of audio files from USB and microSD memory. Ideal for integration with sound systems, DIY projects and mobile audio sources.