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Varta Industrial AA (LR6) alkaline batteries are a reliable power source, ideal for high-power devices such as flashlights, microphones, and radios. They are known for their high quality and capacity, which translates into longer operating time for devices. The package contains 4 pieces, providing a practical solution for users who need reliable power.

Sensor that detects the concentration of ozone. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0472

A set of 20 hexagonal M3 nuts (white galvanized)

A sensor that detects the concentration of carbon monoxide. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0466

A set of 100 hexagonal M3 nuts (white galvanized)

A sensor that detects the oxygen concentration. Equipped with a factory calibrated probe. It communicates via the I2C interface, UART or analog output. DFRobot SEN0465

3-AAA Battery Holder

Module with BME280 pressure, humidity and temperature sensors and LTR-559 light sensors. Dedicated to the construction of a weather station based on the Raspberry Pi. Pimoroni PIM585

Tamiya 70167 Single Gearbox (4-Speed) Kit

A set of 20 pieces of hexagonal M4 nuts (white galvanized)

USR-DR162 is an industrial RS232 to WiFi converter supporting 2.4 GHz and 5.8 GHz bands, providing transparent data transmission from serial devices to a wireless network. An integrated Modbus gateway and broad support for communication protocols enable integration with SCADA systems, HMIs, and industrial cloud platforms. Its compact size and resistance to harsh environmental conditions make it suitable for applications with limited installation space, such as factory automation, smart warehouses, or mobile installations.

The Lanberg USB-A cable allows you to connect devices such as a printer, external hard drive, or CD/DVD drive to your PC. The high-quality construction and materials ensure a stable connection and high performance. CA-USBA-20CU-0005-BK

The ICS43434 digital MEMS microphone module with an I2S interface that eliminates the need for A/D conversion and provides clean audio output in the range of 50 Hz to 15 kHz. With channel selection and low current consumption, it is suitable for stereo systems, voice recognition and portable applications. Compatible with popular microcontrollers, it provides high quality sound with low noise. Adafruit 6049

A compact development board based on the ESP32-WROOM-32, offering 2.4 GHz Wi-Fi, Bluetooth, and a dual-core 240 MHz processor with 4 MB FLASH and 4 MB RAM. It is compatible with the WeMos Mini family of boards and supports popular shields, making it a universal solution for IoT projects. With a built-in USB–UART converter and support for the Arduino IDE, it provides easy programming and integration. ESP32 D1 mini

USR-DR164 is a compact RS485 ↔ WiFi converter supporting 2.4 GHz and 5.8 GHz bands with Modbus Gateway functionality, enabling easy integration of industrial devices with IoT networks and SCADA/PLC systems. Thanks to its robust industrial design, wide voltage and operating temperature range, and flexible configuration, it is suitable for industrial automation, smart buildings, energy, and logistics applications.

Servomechanism MG996R, metal gear, TowardPro, RoHS

A set of 100 M4 screws with a length of 6mm with Philips head

Set of 6 wire spools in yellow, green, red, blue, black and white with silicone flexible insulation

Module with CO2, temperature and humidity sensor SCD-40. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 5187

Tamiya 70093 3-Speed Crank-Axle Gearbox Kit