Laser sensor of air pollution with particles PM1,0, PM2.5 and PM10. It allows for precise analysis of the amount of pollutants in the environment, has small dimensions and a built-in silent transfer fan. Data is output to the UART interface. PMS3003

Development board D1 Mini with WiFi module ESP-8266MOD and 4 MB Flash memory. The module can be programmed from the Arduino IDE level. WeMos D1 Mini

The MQ-5 sensor allows the measurement of alcohol and gas concentrations, such as methane, LPG, and carbon monoxide. Sensor measuring range: up to 10,000 ppm

Female terminal block, 7-pin. Pitch 3.81mm. Height 11.1mm. 15EDGK-3.81-7P

The 3296W 500R precision potentiometer is a three-turn, 500 Ω adjustment element, ideal for precise voltage and current tuning in electronic circuits. With its high accuracy and side-mounting through-hole (THT), it is ideal for calibration of measuring devices and control circuits, facilitating installation on PCBs.

The MS-1A-WB-R limit switch with dimensions of 12 x 6 x 6 mm is designed to operate at a current of 1A and a voltage of 125V. The set includes 5 pieces and the operating temperature range is from -25°C to 65°C

LED 5 mm OVAL yellow, angle 130 degrees / 70 degrees; light intensity 900 mcd (20mA) (2.2V), df595 nm

0.4 A Dual H-Bridge Motor Driver IC, QFN16, Freescale, RoHS

A passive piezo transducer module in a housing on a PCB. Compatible with Arduino. KY-006

Straight male socket, wire-plate type, for JST PH-2.0 wires, 3-pin, 2mm pitch, 100V, 2A. Set of 10 pieces

Board with USB-Type A connector (male) with USB lines connected to the goldpin connector (2.54mm)

Single compartment holder for cables up to 8 mm in diameter. It allows you to keep cables in one position and keep your desk tidy

The TPA2005D1DGN is a Class D audio power amplifier from Texas Instruments, offering up to 1.45 W of output power on a single channel, ideal for portable audio devices such as smartphones and Bluetooth speakers. It operates over a voltage range of 2.5V to 5.5V, providing high power efficiency and low distortion, and its compact MSOP-8 package facilitates integration into small projects.

External waterproof LPWA antenna dedicated to communication in LoRa networks in the 868 MHz frequency band. It is mounted using the built-in magnet in the cradle. Waveshare 868/915M Magnet Mount Antenna

SOP8 / SOIC8 adapter on DIP8 in the form of a PCB. It will be used as a programmer adapter, contact plates or prototype structures.

TTL - RS485 converter 5V. RS485 interface on 5.08mm screw terminal and 2.54mm pitch connector.

2-position waterproof self-locking rotary switch, 19 mm in diameter, in a stainless steel housing. Green colour

Yellow plastic cap for the monostable button (Tact Switch). Fits switches with dimensions 12x12x7.3 mm