A cooling fan with dimensions of 92x92x15 mm, featuring PWM functionality and a tachometer (speed sensor), is an efficient solution for systems requiring precise temperature control

Module with encoder and RGB backlight. It has an unlimited range of motion and is perfect for e.g. lighting control. Pimoroni PIM522

Bluetooth 5.2 and IEEE 802.15.4 communication kit. It uses the STM32WB55RG microcontroller (1 MB Flash, 256 KB SRAM, ARM® Cortex®-M4 and Cortex®-M0 +). STMicroelectronics NUCLEO-WB55RG

LCD 2x16, 53x20mm SMALL, LED backlight (WHITE) NEGATIVE BLUE, STN, enhanced temperature range, ZIFF connector for FCC tape, 3.15mm character

IPS 11.9" LCD display with touch screen. Equipped with HDMI interface for image display and USB for touch screen. Resolution 320x1480 pixels. Waveshare 11.9inch HDMI LCD

Pololu 4814 is a set of two JST SH 4-pin top-entry adapters that allow easy integration of JST SH wires with breadboards and prototype boards. With support for voltages up to 50 V and currents up to 1 A per pin, these adapters are suitable for a wide range of applications in electronics and automation.

Pololu 4812 is a set of two JST SH 3-pin top-entry adapters that facilitate integration of JST SH wires with breadboards and prototype circuits. Thanks to compatibility with the 2.54 mm pitch and support for voltages up to 50 V, the adapters are useful in prototyping power and signal circuits.

DC-DC step-down converter module 5V 16A used to convert energy from 6-24V input voltage to stable 5V, providing up to 16A current. Thanks to high conversion efficiency (over 90%) and low ripple (<20mV), it is ideal for powering sensitive devices in applications such as robotics, drones or LED lighting systems. Additionally, built-in overheating and short-circuit protection mechanisms ensure reliable operation even in difficult conditions. DFRobot DFR1202

Compact module that allows easy changing of I2C sensor addresses, allowing coexistence of multiple devices with the same address on one bus. With DIP switches and optional soldering resistors, users can easily configure sensor addresses without having to modify the code or use external components. DFRobot DFR1185

This breadboard-compatible module is an alternative to bulky power switches. It uses a small integrated slide switch to control a high-side power MOSFET that can deliver continuous currents up to around 8 A at 4.5 V to 40 V. Pololu 2814

The protection circuit for one Li-Ion cell with a voltage of 3.2 V. It has the function of charging, discharging and over-discharge protection. The cells can be discharged with a continuous current of up to 12 A

Snap-Action Switch with 16.3mm Roller Lever: 3-Pin, SPDT, 5A

40-pin male angled socket, 2.54mm pitch, DC3, dual-row, for IDC connector. IDC-40P-A.

Module with the PAM8904 controller designed specifically to control piezoelectric elements. The amplifier operates over a wide frequency range, up to 300 kHz, and allows for gain up to approximately 13 Vpp. Adafruit 5791

A power cable with a built-in Power Delivery (PD) trigger with a working voltage of 20 V. It has a USB type C connector and a 4,5x3mm DC plug used in Dell laptops. Length 1.8 m

Ultrasonic distance sensor MB1020 with a range from 0 to 645 cm. It has an output in the form of a serial interface, analog signal or generates an impulse whose duration is proportional to the measured distance. Pololu 792

RGB LED matrix display with 64x64 resolution (4096 LEDs). It has a HUB75 interface and can work with Raspberry Pi, Arduino or ESP32. Waveshare RGB-Matrix-P2-64x64

RGB LED matrix display with 64x32 resolution (2048 LEDs). It has a HUB75 interface and can work with Raspberry Pi, Arduino or ESP32. Waveshare RGB-Matrix-P2.5-64x32

Great way to upgrade a project that uses a photocell and needs RoHS compliance. Due to the high rejection ratio of infrared radiation, the spectral response of the ambient light sensor is close to that of human eyes. Adafruit 2748

Finder 39.31.0.024.0060 is a SPDT interface relay, operating at a coil voltage of 24V DC, capable of switching currents up to 6A at 250V AC on a single contact. Mounted on a 35 mm DIN rail mounting base, it provides quick assembly and disassembly, ideal for saving space in control cabinets.