Adapter for RFID reader (125 kHz). Works with ID-3LA, ID-12LA and ID-20LA series systems. SparkFun SEN-13030

Small LED matrix display with built-in rechargeable battery. Programmable via USB and Windows PC or Bluetooth and iOS and Android applications

Single-channel DC motor driver with an operating voltage from 10 to 45 V and a continuous current up to 40 A. It can be controlled by an analog signal, PWM, UART, RC or by means of built-in buttons. Cytron MDS40B

Shield with dual-channel DC motor driver for Arduino. It has an operating voltage from 7 to 30 V and a continuous current of up to 1.2 A. It can be controlled by a PWM signal or by means of built-in buttons. Cytron SHIELD-3AMOTOR

Small LED matrix display with built-in rechargeable battery. Programmable via USB and Windows PC or Bluetooth and iOS and Android applications

Two-channel driver of direct current (DC) motors with an operating voltage from 6 to 30 V and a maximum continuous current of 20 A. It can be controlled by a PWM signal or by means of built-in buttons. Cytron MDD20A

SEN-08685

Module with a 3-axis magnetic field sensor LIS3MDL. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 4479

Wi-Fi module for monitoring photovoltaic systems, supporting Modbus TCP/RTU, TCP/UDP/HTTP protocols and providing easy Plug-and-Play configuration. It is characterized by IP65 waterproof, 24/7 operational stability thanks to watchdog functions and the possibility of remote access and monitoring of renewable energy systems. PUSR USR-S100-WA12

32-bit ARM Cortex-M0 microcontroller; up to 32 kB flash; up to 10 kB SRAM and 4 kB EEPROM; USB device; USART, LQFP48, NXP

ARM Cortex-M3 MCU, 512 kB Flash, 96 kB SRAM, USB Device/Host/OTG, Ethernet, EMC, TFBGA208, NXP, RoHS

A 4.3-inch display with an IPS LCD matrix with 800 x 480 pixel resolution and touch panel. It has a slim and lightweight design. It communicates via DSI (image display) and I2C (touch panel) interfaces. Waveshare 43H-800480-IPS-CT

Touch keyboard module with 4 buttons based on the TTP224 system. It is equipped with a connector with derived signals and 4 LEDs signaling the state of each button

Module with 4-channel ADC ADS1115 converter. Equipped with a STEMMA QT connector, it communicates via the I2C interface. Adafruit 1085

This tiny microcontroller card connector plugs into your computer\'s USB port, allowing you to power and control your NeoPixel (SK6812, WS2812) or DotStar (AP102) LEDs without soldering or complicated wiring.

Module with 8-bit ADC and 8-bit DAC. It allows you to measure voltage and generate an analog signal. Communicates via I2C. Adafruit 4648

Module with 7 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 4147