The module with a methane concentration sensor (MQ-4) in the range up to 10,000 ppm, has an analogue output and an output triggered by exceeding the threshold of sensitivity.

2-position waterproof momentary rotary switch, 19 mm in diameter, in a stainless steel housing. Blue colour

Linear capacitive touch sensor that realizes potentiometer functionality with 256 positions. It can act as a peripheral device for a computer or a microcontroller. SparkFun PRT-13144

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

The 74LVC125ABQ is a four-channel, 3-state output buffer/line driver supporting voltages up to 5 V. Ideal for interfacing with 5 V logic, it features low power consumption and direct interfacing with TTL levels.

Module with 3-axis digital accelerator ADXL345, SPI and I2C communication.

A small USB 2.0 hub that allows you to disable individual devices connected to its USB ports, as well as a visual evaluation of the number of devices enabled. It has a built-in connector for the external power supply, so it can act as an active hub. Cable with a length of 40cm, 4 USB ports

Waveshare 8 Push Buttons module provides 8 single push buttons in 1 board. Waveshare 3678

Module with an 8-channel ADC converter with 8-bit resolution. It uses the ADS7830 chip and is equipped with a STEMMA QT connector, thanks to which it communicates via the I2C interface. Adafruit 5836

GOODRAM PX500 gen.3 M.2 SSD is a PCIe NVMe gen 3 x4 interface drive, offering performance up to 3200 MB/s in reading and 1300 MB/s in writing, providing improved computer speed in various applications. Goodram SSDPR-PX500-256-80-G3

Low density advanced ARM™-based 32-bit MCU with 32 Kbytes Flash, LQFP64, STM, RoHs

Step-Down converter D36V28F5 with an output voltage of 5 V, an input voltage from 5.3 to 50 V and a maximum output current of 4 A. Pololu 3782

LPT100 WiFi Module Mother Board

The POT0016 potentiometer enables precise adjustment of electrical parameters in applications requiring stability and accuracy. Designed for panel mounting, it is equipped with flat solder terminals and resistant to long-term use.

Toggle switch, two-position with cover and LED illumination. It can switch voltage up to 12 V and current up to 20 A

Long-range Sub-GHz wireless RF transmitter and receiver module, capable of operating in the 868 MHz frequency band. The integrated architecture allows the use of a minimum number of external components while maintaining maximum design flexibility. Hoperf RFM69HW-868S

Adapter with built-in Power Delivery (PD) trigger. It has a USB type C socket and a 7.4x5.0 mm DC plug. Maximum power up to 100 W

Module with an active buzzer. The board is equipped with an XH2.54 connector and is controlled by a digital signal