Module with a digital distance sensor with a range of up to 100 cm. It has a digital output that goes low when an object is detected. Pololu 4069

Module with a digital distance sensor with a range of up to 200 cm. It has a digital output that goes low when an object is detected. Pololu 4077

Module with a distance sensor with a range of up to 300 cm. It has a digital output that generates a pulse with a width proportional to the measured length. Pololu 4079

A two-channel DC motor controller with an I2C interface. It is powered from 1.8 V to 22 V and can deliver up to 1.6 A per motor. Board with soldered connectors. Pololu 5078

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 connectors for assembly. Pololu 5077

The S7V8F3 step-up/step-down converter regulates the voltage at 3.3 V, supporting an input voltage range of 2.7 V to 11.8 V, making it ideal for battery-powered applications. With an efficiency of over 90% and protection against short circuits and overheating, it provides reliable and energy-efficient operation in a wide range of conditions. Pololu 2122

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

Step-Down converter D36V50F7 with an output voltage of 7.5 V, an input voltage from 8.3 to 50 V and a maximum output current of 7 A. Pololu 4093

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

Controller Ethernet TCP/IP, the power of the Internet system is connected to SPI. Zaimplementowany stos TCP/IP obsługuje protocols TCP, UDP, IPv4, ICMP, ARP, IGMP and PPPoE. WIZnet W5500

Module with real time clock (RTC) DS1307 and CR1225 battery socket. The board is equipped with a Grove connector and communicates via the I2C interface. Seeed Studio 101020013

Compact current sensor based on TMR technology, enabling precise measurements up to 20 A with minimal energy loss. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5304

ARM Cortex-M4 CPU, 2048kB Flash, 256kB RAM, Ethernet, Encryption, Camera, USB OTG FS+HS, 2xCAN, 4xUART, 3xI2C, 6xSPI, ADC, DAC, STM, LQFP144, RoHS

Module with SSR M281 relay with a load of up to 1 A. The board is equipped with a Grove connector and is controlled by a digital input. Seeed Studio 101020603

Compact current sensor based on TMR technology, enabling precise measurements up to 20 A with minimal energy losses. Thanks to a wide 1 MHz bandwidth, galvanic isolation and interference immunity, it is perfect for applications requiring fast response and high accuracy. Pololu 5316

Module with 20 RGB LEDs WS2813 Mini. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 104020128

Module with 24 RGB LEDs WS2813 Mini. The board is equipped with a Grove connector and communicates via a digital interface. Seeed Studio 104020168

2-position waterproof self-locking rotary switch, 19 mm in diameter, in a stainless steel housing. White colour

Bluetooth module with integrated HC-08 system. Thanks to the angular pin connector with the bus signals, it is possible to easily connect the module to the contact plate or wires