Module with pressure and temperature sensor BMP280. It allows you to read the atmospheric pressure in the range from 300 to 1100 hPa and communicates via the I2C or SPI interface. Adafruit 2651

A compact line-tracing board designed for Raspberry Pi Pico, BBC micro:bit, and Arduino projects. Equipped with three phototransistors, it generates an analog output voltage proportional to the substrate\'s color, enabling precise control of autonomous vehicles. The board is solderless and ready to use, with a standard 2.54mm connector for easy integration with prototype breadboards. Kitronik 5337

Module with e-Paper display, 3.7" diagonal and 480x280 px resolution. Communication via SPI interface. Waveshare 3.7inch e-Paper HAT

Aluminum adapter that allows you to convert the 1/4" thread used in photographic tripods to a 5/8" 11-TPI thread. Standard for antennas and surveying equipment. Thanks to its lightweight and durable design, it allows you to easily and stably mount RTK antennas on a tripod or monopod, ensuring precise measurements. SparkFunPRT-17546

The Sunon SF23080AT2082HSL.GN 230 V AC axial fan provides efficient cooling with low noise and high reliability. It is suitable for industrial and electronic systems, including applications requiring compliance with UL94 and ECE R-118 flammability standards.

Angular contact strip in black, double-breasted, female, 2x7, pitch 2.54mm, THT, RoHS. PBD14R

A compact, long-range wireless communication device offering a range of up to 5 km using LoRa technology with the SX1268 chip operating at 868 MHz. It features low power consumption, a wide operating temperature range, and broad compatibility with PCs, Raspberry Pi, and other platforms, making it ideal for distributed IoT systems and industrial applications. SB Components 26579

I2C multiplexer module with TCA9548A system. Allows you to connect up to 8 devices. The system works like a gateway - it transmits I2C interface data to one of the 8 main busses. This allows you to connect up to 8 devices with the same address. DFRobot DFR0576

32bit ARM Cortex-M0, 32KB Flash, 8KB SRAM, LQFP48, NXP, RoHS

Module with e-Paper display, 1.54" diagonal and 200x200 px resolution. SPI interface. Waveshare 1.54inch e-Paper Module

Ready-to-use LED controller with ESP32 and enclosure, compatible with WLED. Wi-Fi support, 5V outputs, microphone, IR, NeoPixel, and screw terminals. Adafruit 6333

3-color e-Paper display with a diagonal of 2.13" and a resolution of 212x104 px. SPI interface. No PCB. Waveshare 2.13inch e-Paper (B)

ARM Cortex-M3 CPU, 1MB Flash, 96kB RAM, USB, CAN, 5xUART, 2xI2C, 3xSPI, ADC, DAC, STM, LQFP100

Module with a 3-color (red, black, white) e-Paper display with a diagonal of 4.2" and a resolution of 400x300 px. SPI interface. Waveshare 4.2inch e-Paper Module (B)

AVR, 16kB Flash, 1kB RAM, 512B EEPROM, ADC, UART, SPI, TQFP44, RoHS

This tiny microcontroller card connector plugs into your computer\'s USB port, allowing you to power and control your NeoPixel (SK6812, WS2812) or DotStar (AP102) LEDs without soldering or complicated wiring.

Module with MOSFET and a Gravity connector. It allows you to easily connect and control the voltage from 5V to 30V and the current up to 2.5A. DFRobot DFR0643