Board for applications in the area of the Internet of Things (IoT). The module is based on the ESP-WROOM-32E system with 240 MHz clock, equipped with 4 MB Flash and 520 KB SRAM, as well as WiFi and Bluetooth communication. DFrobot DFR0654-F

Screw terminal module with four pins on a 3.5mm pitch, designed for connecting external wires within the Crowtail system, compatible with 3.3V and 5V operation. Elecrow CRT00532T

The module with a heart rate sensor and the SpO2 level dedicated to micro:bit. It is based on the MAX30102 chip and communicates via the I2C interface. SparkFun SEN-15271

The GR10-30 sensor module, which can recognise up to 12 user gestures from a distance of up to 30 cm. It supports communication via both UART and I2C interfaces. DFRobot SEN0561

Adapter dedicated to the Nintendo Wii Nunchuck. It allows you to connect the controller to the development board via the I2C interface. Adafruit 4836

Soil moisture sensor dedicated to micro:bit. It is supplied with the voltage from 3.3 V to 5 V and communicates via an analog signal. SparkFun SEN-15272

Data logger dedicated to micro:bit. It connects to the module via the UART interface and allows you to save data on a microSD card. SparkFun DEV-15270

Maxbotix XL-MaxSonar-AE0 Sonar Range Finder MB1300

Module with the real time clock (RTC) RV-3028 dedicated to micro:bit. It communicates via the I2C interface. SparkFun SEN-15486

Crowtail-TPL5111 Reset Enable Timer is a module for energy-efficient power control of devices in battery-powered projects. It offers six programmable time intervals and an automatic reset mode, supporting the design of low-power circuits.

This development board combines an ATmega32u4 microcontroller with a LoRa RFM95 radio module, enabling long-range, low-power data transfer. It operates in the 868 MHz band, offering a range of up to several kilometers and high interference immunity. Equipped with I2C and USART interfaces, analog and digital ports, a temperature sensor, and a battery level indicator, it is ideal for IoT, telemetry, and remote control projects.

The camera is equipped with a Sony IMX378 sensor with a resolution of 12.3 MPx with a wide-angle lens with a viewing angle of 190 °. Dedicated to the Raspberry Pi. Waveshare IMX378-190 12.3MP Camera

Ultrasonic distance sensor MB1200 with a range from 0 to 765 cm. It generates an output in the form of a pulse, the duration of which is proportional to the measured distance. Pololu 1650

Ring light with 12 RGB diodes WS2812B type controlled by serial signal. The module can be powered with the voltage from 3.3 V to 5 V, only one signal line is required to control it. DFRobot DFR0888-12

ARM Cortex-M4 CPU, 1024kB Flash, 192kB RAM, Ethernet, Encryption, Camera, USB OTG FS+HS, 2xCAN, 4xUART, 3xI2C, 3xSPI, ADC, DAC, STM, LQFP144, RoHS

5" AMOLED display with touch screen. Equipped with HDMI interface for image display and USB for touch screen. Resolution 960x544 pixels. Waveshare 5inch HDMI AMOLED

Fingerprint reader module (capacitive sensor). It uses a high-performance processor and the IDfinger6.0 algorithm. It provides fast identification and stable operation and communicates via the UART interface. DFRobot SEN0542

Module with sensor TMP117. It enables measurement in the range from –55°C to 150°C with a very high accuracy up to ± 0.1°C. It communicates via the I2C interface. Adafruit 4821

IPS color LCD display module with a diagonal of 1.47" and a resolution of 172x320 pixels. The display has a built-in ST7789V controller and communicates via SPI interface. DFRobot DFR0995

The module with a black and white OLED display with a diagonal of 0.91" and a resolution of 128x32 pixels. Equipped with a STEMMA QT connector, communicates via the I2C interface. Adafruit 4440