The DS1307 RTC Module is a real-time clock module and a CR1220 battery backup battery. Communicates via the I2C interface. DFRobot DFR0386

Module with PM2.5 dust sensor. The board is equipped with a Gravity connector and communicates via the I2C interface. DFRobot SEN0460

Module with an analog gas sensor. It allows you to measure the concentration of NO, NO2 and H2. DFRobot SEN0441

Color sensor with a range from 8 to 16 mm. It offers 3 operating modes and can be powered with the voltage from 12 to 24 V. DFRobot SEN0506

Adapter from BNC male connector to terminal spring connector

UART-RS485 converter module based on the TD (H) 541S485H chip. Equipped with power isolation and TVS. DFRobot DFR0845

Module with a color LCD TFT display with a diagonal of 0.96" and a resolution of 160x80 pixels. It uses the ST7735 controller and communicates via the SPI interface. DFRobot DFR0847

Patchcord UTP 5E Ethernet cable with a length of 10 m - gray, with 2xRJ45 connectors

Compact ORP monitoring system used as an indicator of water quality detection. DFRobot SEN0464

ToF distance sensor (Time of flight) with a range of up to 60 cm. The module is powered with the voltage of 3.3 V and communicates via the I2C interface. DFRobot SEN0429

Patchcord UTP 5E Ethernet cable with a length of 3 m - blue, with 2xRJ45 connectors

Camera with OV7670 CMOS sensor with a resolution of 640x480 px. It communicates via a parallel interface. ArduCAM M0030

NFC reader with USB interface. It allows you to easily read data from an NFC/RFID card using a computer

Adapter from male RCA connector to terminal spring connector

Tangle-free USB-A / microUSB-B cable with a length of 1m, in a set with an adapter for Apple iPhone devices, iPad (8-pin Apple Lightning connector). Flat cable, in flexible, silicone insulation, light blue color

DFRobot 315MHz RF receiver module using SC2272-L4 low power decoder chip. DFRobot TEL0112

Module with red LED diode and potentiometer. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 104030005

The module with the TPL5110 timer, which can generate a signal with an adjustable period from 100 ms to 2 h. It also works well as an external Watchdog Timer. Adafruit 3435

The CY7C65213 USB to UART serial breakout is designed to provide users with a means to access all available I/O pins on the IC, and to provide a 6-pin UART header that is compatible with other SparkFun breakout boards. This breakout has a microUSB connector and other support circuitry to get the IC quickly up and running. BOB-13830