Real time clock (RTC) module. It allows you to read data about the date and time. Communication with the module takes place via the I2C interface. SparkFun BOB-16281

A complete set designed for USB cameras. This versatile kit allows you to adjust the camera\'s operating parameters, offering a variety of viewing angles in almost the entire possible range. ArduCAM LK005

Module with a cryptographic coprocessor based on the ATECC508A system. It allows you to add strong authentication security to an IoT node or embedded system. I2C communication. SparkFun DEV-15573

Module with 4 relays JZC-11F with a load of 5A. It enables switching devices with high power using a microcontroller. I2C communication. SparkFun COM-16566

The Lanberg HDMI M/M V1.4 cable, 3 meters in length, is made from CCS (copper-clad steel) conductor, ensuring reliable audio-video signal transmission in the HDMI 1.4 standard. Available in a bulk package containing 10 units, it is an ideal choice for wholesale applications or professional installations. CA-HDMI-13CC-0030-BK

Module with the MQ3 analog alcohol sensor. It enables gas detection and construction of a simple breathalyzer. The module is powered by 5 V and has an analog output. DFRobot SEN0128

An expansion board equipped with a 24-pin FPC connector, designed for the SeeedStudio XIAO series boards. Enables smooth control of the ePaper display. Seeed Studio 105990172

SEN-12829

FRAM chip has 64 Kbits (8 KBytes) of storage, interfaces using SPI, and can run at up to 20MHz SPI clock rates. Each byte can be read and written instantaneously (like SRAM) but will keep the memory for 95 years at room temperature. Adafruit 1897

Module with a PIR motion sensor. It can detect movement up to 7 meters with a detection angle of 100 degrees. DFRobot SEN0171

BOB-11890

The 3D TOF camera is a module that consists of the BL702 system and the Juyou 100x100 TOF sensor. It is a 3D sensor that allows you to measure distances up to 1.5 meters. It is equipped with a 1.14-inch LCD screen that allows real-time viewing of depth maps along with color maps. DFRobot SEN0581

ROB-12859

Module with a 3-axis analog MMA7361 accelerometer. There are 3 Gravity connectors on the board (for each axis). The operating range of the sensor can be configured using a DIP switch. DFRobot DFR0143

Ultrasonic distance sensor with a range of up to 5 m with an analog output The module is supplied with the voltage from 3.3 to 5.5 V. DFRobot SEN0307

Contrast sensor module. It has two integrated operating modes: analog and digital. It has the ability to set the digital mode for color detection. DFRobot SEN0147

A module with a sensor used to measure the activity of the heart. It allows you to strengthen and extract the heartbeat signals from biomedical electrodes. It has an analogue output and a heartbeat indicator (LED). SparkFun SEN-12650

SparkFun Cab-12970

Cable with USB plugs type A and micro-USB type B, cable length 1m. The cable has a red nylon braid

Module with green LED, digitally controlled. Perfect for people starting to play with Arduino. Equipped with a Gravity interface. DFRobot DFR0031-G