The MQ-7 sensor allows you to measure the concentration of carbon monoxide (carbon monoxide). The measuring range of the sensor is in the range of 10 - 10,000 ppm

Capacitive liquid level sensor for mounting on non-metallic pipes. DFRobot SEN0509

IPS LCD display with a diagonal of 6.25" and a resolution of 720x1560 pixels. It uses an HDMI connector for image transmission and has a built-in capacitive touch panel controlled via a USB Type-C connector. It is dedicated to users of Raspberry Pi, NVIDIA Jetson Nano minicomputers and PCs. Waveshare 6.25 inch 720x1560 LCD

IMX335 5MP USB Camera with 5 MP resolution that provides high image quality thanks to the IMX335 sensor. The USB 2.0 interface ensures easy integration with various systems. Waveshare IMX335 5MP USB Camera (B)

The GC9A01 display enables high-quality image presentation thanks to its IPS matrix and 240×240 px resolution. The round design and SPI interface make it suitable for mobile projects, watches, control panels, and IoT systems.

ToF VL53L0X distance sensor module with a range of 3 to 200 cm. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020532

THT resistor, 0.25W, 5%, CF

Module with a reflection sensor operating in the infrared band. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020174

Module with an incremental encoder with a rotation range of 360°. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 111020001

DC-DC step-down converter module 12V 12A used to convert energy from 15-24V input voltage to stable 12V, providing up to 12A current. Thanks to high conversion efficiency (over 90%) and low ripple (<50mV), it is ideal for powering sensitive devices in applications such as robotics, drones or LED lighting systems. Additionally, built-in overheating and short-circuit protection mechanisms ensure reliable operation even in difficult conditions. DFRobot DFR1208

A module enabling the conversion of input voltage in the range from 1.8 V to 5.3 V into the appropriate negative output voltage. It offers high efficiency in excess of 80%, making it ideal for applications where a lower power negative supply is required, such as biasing sensors or op-amp circuits. Pololu 2839

4-color e-Paper display with a diagonal of 2.66" and a resolution of 360x184 px. It uses communication via the SPI interface. The set includes only the display without a PCB. Waveshare 2.66inch e-Paper (G)

A switching converter that regulates 24V voltage from an input range of 2.6V to 20V. It offers high efficiency of 70-95% and the ability to operate with a continuous input current of up to 900mA and a peak current limit of 2.2A. With a switching frequency of 1.6MHz and a power-saving mode, it is suitable for both high-performance and low-power applications. Pololu 5588

CAP1188 - 8-Key Capacitive Touch Sensor Breakout - I2C or SPI - Adafruit 1602

A small module for learning how to solder. It allows you to build a small device with two LEDs that turn on when the light intensity changes

Pink LED strip with SMD 5050 diodes. It is powered by 12 V DC, has a length of 5 m and 60 LEDs/m. Protection level IP21

A switching converter that regulates 12V voltage from an input range of 2.6V to 20V. It offers high efficiency of 70-95% and the ability to operate with a continuous input current of up to 900mA and a peak current limit of 2.2A. With a switching frequency of 1.6MHz and a power-saving mode, it is suitable for both high-performance and low-power applications. Pololu 5585