Module with an oxygen concentration sensor in the environment. It allows you to measure the volume of oxygen in the range from 0 to 100%. It communicates via the I2C interface. DFRobot SEN0496

360° encoder module with LED indicators. It communicates via the I2C interface (Gravity connector). DFRobot SEN0502

7-segment LED display, 1 digit 13.20 mm, black background green (630nm), 10 ucd (10mA), common anode, red (630nm), 6 mcd (10mA), common anode. Pb-free. LED1-AS-B-05219BMRMG

Recognizes the distance of an object away from the sensor up to about 10 inches (~25cm) and the location of the object from side to side across the sensor in about a 6 inch (~15cm) span. You will be able to use I2C or UART to communicate with the ZX Sensor via an Arduino-based microcontroller as well as a computer. SEN-12780

Bluetooth 2.1+EDR module for mounting in SMD technology with a fully configurable UART interface (transfer speed up to 2 Mb/s). SparkFun WRL-12575

Flexible LED (LED filament) in red, length 130 mm

USB - UART converter based on the PL2303TA chip. Compatible with voltages of 3.3 V and 5 V, it has been equipped with a miniUSB connector. Waveshare PL2303 USB UART Board (mini) V2

Integrated capacitive fingerprint sensor communicating with the external system via the UART interface. The module has a rectangular-shaped sensor field and takes a fingerprint image with a resolution of 160x160 pixels (508dpi). Waveshare UART Fingerprint Sensor (E)

Connector for connecting a 10-pin ribbon with a 0.5 mm pitch to a printed circuit board. Riverdi ZIF0510UH

The DS3231 Real Time Clock (RTC) module with CR2032 battery is a precise and reliable I2C enabled component that provides time and date tracking, maintains accuracy when main power is disconnected, and offers alarm and wake-up functions with easy connectivity to various platforms such as such as Arduino, Raspberry Pi or STM32

The Texas Instruments H-bridge allows control of two DC brush motors or one stepper motor. The supply voltage of the motor is in the range of 0-11V, maximum current efficiency 1.5A / bridge. The system has a 12WSON housing

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

Compact and economical industrial router with 4G LTE support, Ethernet port and VPN technology. It offers fast access to the 4G LTE network, achieving download speeds of up to 150 Mbps and upload speeds of up to 50 Mbps. Additionally, it supports VPN networks (PPTP and L2TP) and provides protection for private APN/VPDN networks. USR-G805-ECEUX

8-channel voltage level converter allowing for connection of systems operating with the voltage level of 1.8 V, 2.5 V, 3.3 V and 5 V. SparkFun BOB-19626

16-channel GPIO expander with an I2C interface microcontroller can interface with 16 fully configurable digital input/output pins. It can produce PWM signals, so you can dim LEDs. It can be set to blink or even breathe pins at varying rates. With a built-in keypad engine, it can interface with up to 64 buttons set up in an 8x8 matrix. BOB-13601

STEMMA QT/Qwiic cable (adapter) for Grove 200 mm long. It enables interoperability between the I2C SparkFun Qwiic and Adafruit STEMMA QT-based system and Seeed Studio\'s Grove boards. Adafruit 4424

STPS2L40AF is a low-voltage Schottky diode with low conduction losses and high efficiency, ideal for switching power supplies, DC/DC converters, and polarity protection. Its compact package and avalanche ruggedness make it well-suited for space-constrained applications.

Module with 1 QTR type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4141

Module with 31 QTRX type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 50 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4431

The AHT25 is a versatile and precise humidity and temperature measurement module, ideal for consumer electronics and industrial applications.