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 DFR0300

IPS 7.9" LCD display with touch panel dedicated for Raspberry Pi. It is equipped with DSI interface for image display and I2C interface for touch screen. Resolution 400x1280 pixels. Waveshare 7.9inch DSI LCD

Integrated circuit - Ethernet Bridge, USB to Ethernet USB 2.0, 10/100 Base-T / TX PHY USB Interface, 64-QFN, Microchip Technology

DEV-13342

TFT color display with 160x80 pixel resolution and 0.96 inch diagonal. The SPI interface is used to communicate with the display. The module contains a microSD card slot. Adafruit 3533

WIG-13720

With an integrated ESP8266 WiFi controller this module is a one-stop shop for almost any Internet-connected project. Firmware can be developed in Arduino and uploaded over a simple, serial interface. WRL-13711

Module with 5 V relay with a maximum switching current of 2 A. It communicates via the USB interface and does not require an additional power supply. Numato Lab USBPOWRL002

Module with SSR relay with a load of up to 3 A. It communicates via the USB interface and does not require additional power supply. Numato Lab SSRP20001-DC

Module with SSR relay with a load of up to 3 A. It communicates via the USB interface and does not require additional power supply. Numato Lab SSRP20001-AC

The VM-CLAP1 Hand Clap Sensor from Verbal Machines is a low-power, microprocessor-based audio sensor that can detect hand claps or finger snaps while ignoring background noises such as human speech or music. Pololu 2580

The S9V11F5 switching step-up/step-down regulator efficiently produces 5V from input voltages between 2V and 16V. Pololu 2836

Module with 2 relays with a maximum switching current of 7 A. It communicates via the USB interface. Numato Lab RL20001

32-channel IO expander with 7 analog inputs. It communicates via the USB interface. Numato Lab GP320001

Versatile 9DOF sensor with accelerometer, magnetometer and gyroscope, supporting I²C and SPI interfaces, enabling precise measurement of motion, orientation and temperature, with easy integration with Arduino and microcontrollers. Adafruit 3387

Zynq-7000 All Programmable SoC, Dual ARM Cortex-A9 MPCore, Artix-7 FPGA, 28K Logic Cells, 667MHz CSPBGA400, Xilinx

8-channel IO expander with 6 analog inputs. It communicates via the USB interface. Version without Pull-Up resistors. Numato Lab GP80001

Module with a slide potentiometer. Depending on the position of the slider, the resistance value (maximum resistance 10kΩ) changes, which translates into the voltage value at the analog output of the module. The module has a connector in accordance with the Grove standard. Seeed studio 101020036

The module with a TA12-200 current sensor with a measuring range of alternating current up to 5 A. The board is equipped with a Grove connector and communicates via an analog interface. Seeed Studio 101020027