Adapter with RJ45 connector for holes with 2.54 mm pitch. Perfect for use with a breadboard. SparkFun BOB-13021

Protection circuit for four Li-Ion cells with a voltage of 14.8V. The module has the function of charging cells with the option of a balancer, discharging and a function that protects the cells from excessive discharge. The cells can be charged with continuous current up to 10A

A single-channel DC motor controller with a UART TTL interface. It is powered from 1.8 V to 22 V and can deliver up to 1.8 A of current. Board with soldered connectors. Pololu 5076

A set of three cables for Grow soil moisture sensors. The cables are terminated on both sides with 3-pin JST-SH female connectors and are 35 cm long. Pimoroni CAB1006

Module with e-Paper display with a diagonal of 2.9" and a resolution of 296x128 px. Communication via the SPI interface. Waveshare Pico-ePaper-2.9 

Module with a black and white e-Paper display with a diagonal of 2.13". It is equipped with an SPI interface for displaying an image and I2C for a touch panel. Waveshare 2.13inch Touch e-Paper HAT

Crowtail – BMP180 Barometer is a digital pressure and temperature sensor with an I2C interface, intended for precise measurements in mobile and environmental systems. It offers high accuracy, low power consumption, and readiness to operate without additional calibration.

Waterproof strip with RGB LED diodes, 1 m long (30 LEDs per meter). The LEDs are mounted on a flexible white PCB, the tape has a Grove connector. Seeed Studio 104020108

Module with a digital distance sensor with a range of up to 25 cm. It has a digital output that goes low when an object is detected. Pololu 4066

Module with liquid level sensor. The set includes a current-voltage converter that generates an analog signal. DFRobot KIT0139

Waterproof strip with RGB LED diodes, 1 m long (60 LEDs per meter). The LEDs are mounted on a flexible white PCB, the tape has a Grove connector. Seeed Studio 104020109

Module with LCD IPS 0.96" display with a resolution of 80x160 px. It communicates via the SPI interface. ModIPSdisp0.96"

827229-1 is a 12-pin connector for THT mounting, suitable for automotive systems using TE\'s Timer contact technology. Designed for robust and reliable interconnections in demanding environments.

Module with GP2Y0D805Z0F proximity sensor, which can detect the presence of objects in the range from 0.5 to 5 cm. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 101020578

Module with vibration sensor LDT0-028. The board is equipped with a Grove connector and has a digital output. Seeed Studio 101020031

Set for speech recognition compatible with Arduino. It consists of the Base Shield V2 expansion module, the voice command recognition module, the audio module and the necessary accessories. Seeed Studio 110020108

Module with a digital distance sensor with a range of up to 50 cm. It has a digital output that goes low when an object is detected. Pololu 4067

Compact 9DOF IMU sensor with accelerometer, gyroscope and magnetometer, supporting advanced data fusion with Arm Cortex M0 processor and CEVA SH-2 software, offering I²C, SPI and UART-RVC interfaces and a wide range of functions for precise motion and orientation analysis. Adafruit 4754

Non-contact liquid level sensor. It allows you to detect liquids without the need to immerse the sensor in the liquid. Digital output. DFRobot FIT0212

A module with a 0.96" OLED display with a resolution of 128x64 pixels dedicated to the BBC micro:bit platform. It allows easy connection of the micro:bit without additional mounting thanks to the built-in edge connector. The display uses the SSD1306 controller operating with the I2C interface, and the board has pads for splitting the I2C lines and additional pins for connecting sensors, which allows for the expansion of the module with new functions. Kitronik provides dedicated blocks and sample code for the MakeCode and MicroPython editors. Kitronik 56115