Module with 3 QTR type optocoupler with analog output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 30 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4243

Pin strip straight in black, single-row, female, 1x10, pitch 2.54mm, THT, RoHS. PB03S

13MP AI camera that enables on-device neural network processing and image analysis, supporting AI models after conversion. Equipped with a 4 TOPS RVC2 architecture, with features such as distortion correction, 2D object tracking, and fixed-focus, it is ideal for complex computer vision tasks with fast data transfer via USB-C. Luxonis OAK-1 Lite Fixed-focus

Dual MAX14870 Motor Driver is a dual DC motor controller compatible with the Arduino standard that allows you to control two DC motors with 4.5 ... 36V continuous current of 1.7A. Polol 2519

Tic T500 USB is a stepper motor driver based on the MP6500 chip. It allows you to control the stepper motor whose voltage on the coil is 4.5-35V, the maximum current per coil is up to 1.5A. The controller can be controlled by: USB, TTL, I2C, RC (PWM model) etc. Pololu 3134

Module with Flash memory W25Q128 with a capacity of 128 Mbit (16 MB). It communicates via the SPI interface. Adafruit 5643

Module with a black and white OLED display with a resolution of 128x64 px, designed for FireBeetle plates. It communicates via the I2C interface. DFRobot DFR0507

Advanced wireless communication module, based on the Bluetooth 5.4 stack (Bluetooth® Low Energy, BLE), which was designed using the efficient Nordic NRF52805 SOC system. The module offers support for the UART interface, available only in peripheral mode, which allows for effective operation as a data bridge (Data Bridge). Sparkfun WRL-25466

This XIAO ESP32-C6-based relay module is designed for intelligent automation. It allows independent control of six channels via Wi-Fi, Zigbee, Thread, or BLE, and thanks to the built-in ESPHome, it easily integrates with Home Assistant. It supports DC devices up to 30V, features two Grove ports for expansion, and comes in an aesthetically pleasing PLA enclosure. Ideal for IoT systems, home automation, lighting, and motor control. Seeed Studio 114993588

Programmable IoT button based on ESP32-C6 with Home Assistant support via ESPHome and Zigbee, featuring RGB LEDs, a 18650 battery and USB-C charging, designed for smart home automation. Seeed Studio 113110044

A low-power, 3MP rolling shutter camera module designed to work with virtually any microcontroller via its SPI interface. Equipped with an M12 lens with manual focus, it delivers high image quality, making it ideal for IoT, monitoring, and automation applications. With low latency, an open SDK (MIT), and the ability to connect up to four cameras simultaneously, this module offers a flexible and scalable solution for advanced machine vision projects. ArduCAM B0434

Communication module with R800C chip designed for Raspberry Pi minicomputers. It adds support for GSM/GPRS (2G) networks. Waveshare SIM800C GSM/GPRS HAT

Graphic display 128x64, 45x40mm, Type: COG, FSTN 3.3V ST7565R outline

This step-down converter module allows you to reduce the voltage from 6-60V to a stable 6V at a current of up to 11A. Its high efficiency of up to 95% and low power losses make it ideal for applications requiring high current and stable power. The device features built-in overcurrent, thermal, and reverse connection protection, as well as a soft-start function and a Power Good indication. Pololu 5673

A miniature module with a programmed AVR Attiny85 microcontroller, equipped with 8 KB of Flash memory, 4 digital pins, analog input and 2 PWM channels. By connecting the LEDs to the digital outputs of the module, interesting lighting effects can be obtained. SparkFun DEV-10899

LM35 analog temperature sensor module for Arduino. DFRobot DFR0023

Module with 11 QTR type optocoupler with RC (digital) output. The module operates from 2.9 V to 5.5 V, detects objects at a distance of up to 40 mm. The sensor will be used in projects that require detection of changes in the ground, e.g. in linefollower robots. Pololu 4111

Industrial 4G LTE router that provides reliable communication for M2M and IoT applications. Equipped with WAN port, LAN port and SIM card slot. USR-G806-E