16x2 LCD display module with RGB backlight and control keyboard. Communicates via the I2C interface. It has a connector compatible with Raspberry Pi 4 model B and Raspberry Pi 3 model B+. DFRobot DFR0514

Total suspended particulate (TSP) sensor that allows you to measure the particle concentration from 1 to 100 μm. SDS198

C-mount lens. Focal length 50mm, FoV 10°(H), 7°(V). Designed to work with the Raspberry Pi HQ camera. ArduCAM LN054

2.13 "e-Paper flexible display HAT designed for Raspberry Pi minicomputers. Communicates with external systems via the SPI interface. The module has support in the form of examples for Raspberry Pi, Jetson Nano, STM32, Arduino. Waveshare 2.13inch e-Paper HAT (D)

Optical Time of Flight sensor with Pmod I2C connector. The built-in ISL29501 digital signal processor calculates the time it takes for the light emitted by ToF to reach the destination and back. The calculated time is proportional to the distance. Pmod ToF has a range of up to 5 m. Digilent 410-392

15.6" LCD screen with 1920x1080 px resolution. The display is equipped with a capacitive touch screen. Waveshare 15.6inch HDMI LCD (H) (with case) (for EU)

Video switch that allows you to connect 3 input devices to one HDMI receiver. The input signal can be selected using a button on the casing or the included remote control. Lanberg SWV-HDMI-0003

This sensor is a carrier/breakout board for ST’s VL6180X proximity and ambient light sensor, which measures the range to a target object up to 20 cm away (or 60 cm with reduced resolution). Pololu 2489

The Tic 36v4 USB Multi-Interface High-Power Stepper Motor Controller makes basic control of a stepper motor easy. Pololu 3141

3 mm LED matrix. The matrix contains 35 LEDs (5x7 system) in red. The diodes are connected by a common cathode.

Module with three optical inspection sensors (spectrophotometers) from the AS7265x series. The module consists of three sensors; AS72651, AS72652 and AS72653 which can detect wavelengths from 410nm (UV) to 940nm (IR). SparkFun SEN-15050

Evaluation kit with Bluetooth 5.0 Sparkfun Artemis module. Equipped with a microphone, kmaers and accelerometer. SparkFun DEV-16828

Module with 16-channel PCA9685 servo driver designed for Raspberry Pi minicomputers. The board is equipped with a USB Type C power connector. SparkFun DEV-15316

Development kit with XBee3 Micro radio module. Provides plug and play 802.15.4 2.4 GHz wireless connection (Zigbee 3.0 protocol). SparkFun WRL-15454

Development kit with XBee3 Micro radio module. Provides plug and play 802.15.4 2.4 GHz wireless connection (Zigbee 3.0 protocol). SparkFun WRL-15435

1.5 hPa resolution pressure sensor from Freescale. The sensor is soldered onto a PCB with 10K pull-up resistors on the I2C pins. Adafruit 992

Advanced expansion board for Arduino. It has support for mini-SIM cards and NB-IoT cards. Thanks to the GNSS module (Global Navigation Satellite System), it supports GPS, GLONASS, Galileo, QZSS and BeiDou GPS navigation systems. The module is powered by 7-12V voltage. DFRobot DFR0572

Shield designed for IoT applications with LTE CAT M1/NB-IoT SARA-R4 modem. The board is compatible with Arduino, allows you to add communication via cellular networks to Arduino boards. SparkFun CEL-14997

Gravity: Heart Rate Monitor Sensor is a sensor used to measure heart activity. Adapted for easy use with Arduino. SparkFun SEN0213