Class-D stereo digital audio amplifier module PAM8403. The system allows you to connect two speakers with an impedance of 4 to 8 Ω and a power of 3 W. DFRobot DFR0119-O

A set with a measuring module and a probe for measuring electrical conductivity. It allows you to measure the salinity of water and soil. It has a Gravity analog output interface. DFRobot SEN0451

Compact stepper motor controller with the TMC2208 system with operating voltage from 4 to 35 V. It offers smooth, quiet operation, high efficiency, various operating modes and easy configuration. It is controlled via the STEP/DIR interface and is an ideal solution for 3D printers and similar applications

Quick couplings allowing the connection of two conductors with a diameter of 0.5 mm. They are used for quick and precise connection of telephone wires or twisted-pair cables (UTP, FTP). UY 4CI-2006

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

Wireless keyboard dedicated to 7-inch tablets. It guarantees a fast and stable connection with compatible devices up to 10 meters. Charging takes place via the USB port, and the 160 mA battery provides up to 55 hours of uninterrupted operation

Prototype contact plate 170 points 35x47 mm in black color. PPS0170 BLACK

The Step-Down converter module on the XL7015 chip converts the voltage in the range of 5-80V to 5-20V, with a maximum current of 0.8A and a recommended output power of 7W. It has protection against overheating, short circuit and current overload, and its board size is 16 x 44 mm.

Miniature (25x40mm) WiFi b/g/n module for surface mounting with support for TCP and UDP protocols operating in standalone and access point modes. The module is equipped with UART and Ethernet interfaces, it is also possible to control GPIO lines. Powered by 3.3V

The Step-Down converter module on the MP1584EN chip converts the input voltage (9-35V) to the regulated output voltage (0.8-25V) with a maximum current of 5A and a power of 25W. It operates in temperatures from -20°C to 75°C and has a compact size of 45 x 31 x 16 mm.

32-bit microcontroller from the STM32F0 family with ARM Cortex-M0 core, 32kB Flash memory, 16kB RAM, 48MHz, I2C, SPI, UART / USART, USB, DMA, POR, PWM, WDT, 2.4 ... 3.6 V, A / D 13x12b, 20-TSSOP

32-bit microcontroller from the STM32L4 family with ARM Cortex-M4 core, 1MB Flash memory, 128kB SRAM, 48MHz, I2C, SPI, UART / USART, USB, CAN, SWPMI, 1.71 ... 3.6V, 64LQFP, STM, RoHS

Module with digital barometer BMP384. It enables pressure measurement in the range from 300 to 1250 hPa with 24-bit resolution and communicates via I2C or SPI. SparkFun SEN-19662

The Step-Up Converter Module converts input voltage (8.5-50V) and input current (up to 15A) to output voltage (10-60V) and output current (up to 12A) with high conversion efficiency (96%) and overvoltage protection high intensity. The module can operate in a wide temperature range (-40 - 85°C) and frequency (150kHz), allowing constant current adjustment from 0.2 to 12A.

GPS module with 72-channel GNSS NEO-M8P-2 receiver. It can receive data from GPS, GLONASS and BeiDou systems. It has USB, UART, I2C and SPI interfaces. RTK and high accuracy up to 25mm. SparkFun GPS-15005

A Software Defined Radio (SDR) device that operates in a wide frequency range from 1 MHz to 6 GHz. It enables advanced operations related to digital signal processing. It is compatible with GNU Radio and SDR, making it a versatile tool for enthusiasts and professionals. SparkFun WRL-13001

4-pin cable with JST SH connector compatible with STEMMA QT/Qwiic, terminated with spring probes. Adafruit 5037

The USB Step-Up converter module converts the voltage in the range of 4-13V for pads and 5V for USB to 0.5-30V, supporting current up to 2A and power up to 15W. It is characterized by high measurement accuracy, advanced protective functions and compact dimensions of 84 x 35 x 14mm.

The stepper motor driver TB6600 supports a voltage of 9 to 40 VDC and a current of 0.5-3.5A, allowing the selection of microsteps from 1 to 32. The device is resistant to environmental conditions such as humidity and shock

RTC DS1302 real time clock module with CR2032 battery holder and solder pins