A set for building a weather station equipped with a rainfall sensor and a wind speed and direction meter. SparkFun SEN-15901

LCD 2x16, 85x30mm, LED backlight (yellow-green), enhanced temperature range, fast

32bit ARM Cortex-M0, 32kB Flash, 2kB EEPROM, 6kB SRAM, USART, USB device, TFBGA48, NXP, RoHS

An efficient step-down converter that reduces the input voltage to 12 V at a maximum current of 100 mA, offering high efficiency due to low quiescent current (<50 μA). It supports input voltage from 12 V to 65 V, has a Power Good (PGOOD) function, an EN input for system shutdown, and short circuit and overheat protection, making it a reliable and energy-efficient solution. Pololu 5377

4-color e-Paper display with a diagonal of 2.66" and a resolution of 360x184 px. It uses communication via the SPI interface. The set includes only the display without a PCB. Waveshare 2.66inch e-Paper (G)

The ESP-12F, ESP-07S and ESP-12S module programming stand is a versatile tool, ideal for testing and programming these modules. It offers full control over IO ports, allows software downloads, and includes useful indicators for combustion mode and serial communication.

Finger Vein Scanner Module (B) is a thin, energy-efficient biometric module with finger vein detection based on a Cortex-M4F microcontroller, designed for precise user identification in security applications. NIR technology enables effective recognition regardless of the skin surface condition, making the module a reliable alternative to traditional fingerprint readers. Thanks to its compact dimensions and a rich set of accessories, it facilitates integration with smart locks, door handles, access control systems, and compact IoT terminals.

Cable with a length of 150 mm, on one side terminated with a female STEMMA QT (Qwiic) connector, and on the other side with single female goldpin connectors. Adafruit 4397

Module with a distance sensor with a range of up to 130 cm. It has a digital output that generates a pulse with a width proportional to the measured length. Pololu 4071

Module with digital barometer ICP-10111. The system enables pressure measurement in the range from 300 to 1100 hPa with an accuracy of 1 Pa. DFRobot SEN0516

Ethernet transceiver module based on LAN8720 chip. It communicates via the RMII interface. Waveshare LAN8720 ETH Board

Module with IPS LCD display with a diagonal of 1.8" and a resolution of 128x160 px. Equipped with a microSD card reader. DFRobot DFR0928

Module with digital barometer ICP-10111. The system enables pressure measurement in the range from 300 to 1100 hPa with an accuracy of 1 Pa. DFRobot SEN0517

Module with two white diodes. Dedicated to Voron 3D printers as hotend and printing nozzle lighting

The liquid flow sensor is made of a plastic body, a flow rotor and a Hall sensor. DFRobot SEN0217

Mainstream Performance line 8-bit MCU with 64 Kbytes Flash, 24 MHz CPU, integrated EEPROM, LQFP48, STM, RoHS

Single-channel DC motor driver that can control the movement of the drive with a supply voltage of up to 36 V and a current consumption of up to 15 A. Controlled by a PWM signal. DFRobot DRI0042

White Cold LED strip with SMD 5050 diodes. It is powered by 12 V DC, has a length of 5 m and 120 LEDs/m. Protection class IP65 (waterproof)

Soil moisture sensor dedicated to micro:bit. It is supplied with the voltage from 3.3 V to 5 V and communicates via an analog signal. SparkFun SEN-15272