Digital sensor for measuring accurate and drift-free angular displacement. It is constructed from highly durable medical-grade silicone elastomers. It communicates via an I2C interface. SparkFun SEN-15244

Step-Up/Step-Down DC-DC converter module that converts an input voltage from 3 V to 16 V to a voltage in the range of 2.5 V to 9 V. It has a current capability of up to 2 A. SparkFun COM-15208

An optical particle sensor that uses laser scattering and Sensirion\'s innovative contamination resistance technology. It enables users to measure mass concentration and particle number. SparkFun SEN-15103

Microcontroller board controlled by ATmega32U4 with Arduino bootloader. Due to its dimensions and holes, it will be excellent for electronic components sewn into clothing. It has a built-in JST connector with charging circuit and on/off switch and is programmable via micro USB. SparkFun DEV-14631

Iridium 9603N satellite receiver module. It allows you to send and receive short messages from anywhere on Earth and works far beyond the range of WiFi and GSM networks. SparkFun WRL-14498

A module with an electret microphone and amplifier that will allow you to detect voice, clap, slam doors and other sounds using an analog or digital output. SparkFun SEN-14262

The MS5803-14BA waterproof pressure sensor module. It allows measurement from 0 to 14 bar and communicates via SPI or I2C interface. SparkFun SEN-12909

16 MHz chord resonator in a housing with dimensions of 5.0 x 3.2 mm, with two pins.

Module with Hall sensor, allows for magnetic field detection, can be used to measure angle of rotation, displacement, mechanical vibrations, etc. The module has a connector in accordance with the Gravity standard. DFRobot SEN0185

Module with eight 240V/2A relays controlled by 5V with a fuse triggered by a high state. modSSR-8CH-H

4G LTE router ensuring a stable and fast connection to the Internet. It has one LAN port and one WAN port. It offers mounting on a DIN rail and a metal housing with IP30 protection class. USR-G806-E

Display 2x24 NEGATIVE BLUE, 118x36 mm, second character set - CYRILT, extended temperature range, "fast"

2x16 display with LED backlight (yellow-green), 85x30 mm, (LCD-H-1602H-205 Y / G) NOTE !! PIN1 5V; PIN2 GND, extended temperature range "fast" h = 30mm

Module with a bidirectional converter for the I2C bus, based on the PCA9306 system. It allows you to connect two I2C modules operating with different voltage levels. SparkFun BOB-15439

LCD display 2x8, 58x30 mm, STN version with LED backlight (Pure Green !!), extended temperature range, "fast" 1-LED 20mA Cyrillic

Module with barcode and QR code scanner. Allows one-dimensional and two-dimensional codes to be read using an intelligent image recognition algorithm. It has a built-in USB and UART interface. Waveshare Barcode Scanner Module (B)

Module with a 3-axis H3LIS331 accelerometer with a wide measurement range up to ± 400g. It communicates via the I2C or SPI interface. SparkFun SEN-14480

A module with a distance and gesture sensor that allows the detection of objects in two axes (x and z) and the detection of simple gestures. It communicates via the I2C or UART interface. SparkFun SEN-13162

Antena o wzmocnieniu 2dBi, przekazana do komunikacji na częstotliwości 868 MHz. złącze w złącze SMA. SparkFun WRL-20855

Adapter with RJ45 connector for holes with 2.54 mm pitch. Perfect for use with a breadboard. SparkFun BOB-13021