The Arduino Opta RS485 Micro PLC is an industrial-grade controller designed for PLC engineers, automation developers, and IoT integrators. Built on the STM32H747XI dual-core Cortex-M7 + Cortex-M4 MCU, it provides the processing power needed for real-time control, monitoring, and predictive maintenance. Supporting both Arduino sketches and IEC 61131-3 PLC programming languages (Ladder, FBD, ST, SFC, IL), Opta makes it simple to develop and deploy robust automation solutions. With built-in Ethernet, USB-C, and RS485 interfaces, it integrates seamlessly with industrial networks and Modbus systems, while the ATECC608B secure element ensures hardware-to-cloud data protection with X.509 compliance. The Opta RS485 is designed for OTA firmware updates, remote management, and intuitive dashboards via Arduino Cloud or third-party services, making it an excellent choice for smart factories, energy systems, and IoT applications. DIN rail compatibility, rugged IP20 protection, and support for 12–24VDC operation make it production-ready for industrial environments. Featured By RoboticsBD.
Product Images are shown for illustrative purposes only and may differ from the actual product.
Comparator chip LM393 makes module readings stable. Operating voltage 3.3V-5V. Fast Response Time Sensitivity adjustable Detects a flame or a light source of a wavelength in the range of 760nm-1100 nm. Detection range: up to 100 cm. Adjustable detection range. Detection angle about 60 degrees, it is sensitive to the flame spectrum.
Onboard precision microcurrent transformer. Onboard sampling resistor. The module can measure AC currents less than 5A, the corresponding analog output 5A/5mA. Rated input current: 5A Rated output current: 5mA Change: 1000: 1 The linear range: 0 ~ 10A (100 ohms) Linearity: 0.2%
Provides a user-friendly interface that allows users to go through the menu, make selections etc. It consists of a 1602 white character blue backlight LCD. The keypad consists of 6 keys select, up, right, down, left and reset. To save the digital IO pins, the keypad interface only uses one ADC channel. The key value is read out through a 5 stage voltage...
Logic control, 5V from Arduino main board Polarity protection for External motor power input 2 fast test buttons for each motor channel Motor Driven Voltage：6.5 to 12VDC(VIN Power Supply), 5.0 to 26VDC (External Power Source) Up to 2A current each channel Pin 4, 5,6,7 are used to drive two DC motor Support PWM speed control Support advance speed control
Arduino FOC Brushless Motor Driver Board optimized for precise BLDC control Designed for Field-Oriented Control (FOC) applications Dual INA240 high-precision current sensors for accurate feedback IR2104 gate drivers with adjustable voltage jumper Wide input voltage range 12V – 35V DC Compatible with Arduino UNO, MEGA, STM32 Nucleo & SimpleFOC Shield...
2.42-inch OLED display module with sharp 128×64 pixel resolution Powered by the SSD1309 driver IC with SPI communication (7-pin interface) Wide compatibility with Arduino, Raspberry Pi, STM32, ESP32, Jetson Nano Ultra-narrow bezel and compact design, ideal for graphical projects Onboard voltage translator ensures stable performance at 3.3V Crisp white...
Controls up to 32 servo motors Comes preassembled USB interface (cable included), Xbee socket, and TTL serial Bidirectional communication with Query commands Large capacitors to prevent brownouts
Compact voice recorder module with record & play functions Supports up to 10 seconds of voice recording and playback Simple operation with press-to-record button control Compatible with 8Ω 3W speakers or external active speakers 3-pin digital interface for Arduino or microcontroller playback triggering Lightweight, easy integration for DIY and...
XL4015 DC-DC step-down buck converter with CV/CC control Adjustable output: 1.2V–34V, up to 5A load (4A continuous) Built-in digital meter for voltage, current & power monitoring High efficiency, low ripple, and stable line/load regulation Ideal for battery charging, LED/laser driving & DIY power supplies Compact module with versatile applications...
High-sensitivity MAX4466 Electret Microphone with built-in amplifier Adjustable gain for customized audio capture and signal strength Wide working voltage range: 2.4V to 5.5V for versatile use Compact design (20.8 × 13.8 × 7.5mm) with pre-soldered pins for easy integration Low quiescent current (<24μA) ensures energy-efficient performance Ideal for...
801S Vibration Sensor with gold alloy plated shock sensor for durability Provides both analog and TTL level digital signal outputs Adjustable sensitivity for micro shock detection and real-time vibration monitoring Onboard LM393 comparator IC for reliable performance Ideal for monitoring mechanical vibrations, displacement, and unbalance in systems
Ultra-compact MP2315 DC-DC buck converter module for efficient voltage step-down Wide input range: 4.5V – 24V, adjustable output: 0.8V – 22V Provides 1.5A continuous current with peaks up to 2A Excellent load and voltage regulation for stable performance Output enable pin compatible with 3.3V & 5V logic systems Optional fixed voltage output via solder...
The Arduino Nano I/O Sensor Shield is an expansion board compatible with various microcontrollers, offering multiple power input options and easy sensor connections.
Transmission Distance(m) :400 Relay Channel:2 Trigger Voltage (VDC): 5 Switching Voltage (VAC):250@10A Switching Voltage (VDC):30@10A Baud Rate:9600 Note: Relay might be different from the picture as per stock
Display Resolution: 200 x 200 Display Screen Color: Black and White No backlight so keeps displaying last content for a long time even when the power is down Ultra low power consumption, basically power is only required for refreshing SPI interface, for connecting with controller boards like Raspberry Pi/Arduino/Nucleo, etc.
Based on the W5100Based on the Wiznet W5100 allows an Arduino board to connect to the internet. Stackable Design, can directly be supported by for Arduino official Ethernet Library. Supports up to four simultaneous socket connections Can be used to store files for serving over the network. Can be accessed using the Mini SD TF library. IEEE802.3af...
3D Printed Bumper: Designed for Arduino Uno R3 boards Short Circuit Protection: Prevents accidental short circuits on conductive surfaces Secure Press-Fit: Ensures a snug fit while allowing easy removal Scratch Protection: Protects surfaces from scratches caused by the board Arduino Uno R3 is not included.
Compact Wiznet W5500 Ethernet module with integrated transformer & RJ45 Supports 10/100 Base-T Ethernet with hardware TCP/IP stack High-speed 80MHz SPI interface with modes 0–3 Up to 8 simultaneous socket connections for multi-task networking Built-in 32KB TX/RX buffer for reliable data transfer Hardware compatible with WIZ820io for easy migration
Manufacturer: Arduino Officials Micro-controller : ATmega328P. Operating Voltage: 5V. Input Voltage (recommended) : 7-12V. Digital I/O Pins: 14 (of which 6 provide PWM output). Analog Input Pins: 6.Imported from DFrobot (04-June-2025)Made in ItalyArduino SKU: A000066
ESP32-S3 + SIM7670G integrated development board for LTE 4G and GSM communication Supports Wi-Fi (2.4GHz) and Bluetooth 5 (LE) for dual connectivity solutions Built-in GNSS (GPS) for accurate positioning and navigation Features 16MB Flash and 8MB PSRAM for data-intensive IoT applications Supports global LTE bands and multiple Internet protocols (HTTP,...
ESP32-based 4G LTE IoT board with integrated GSM, LTE, and GPS (GNSS) support Features A7670E LTE module for reliable cellular connectivity across global bands Built-in Wi-Fi, Bluetooth v4.2, and multiple interface options (I2C, SPI, UART, CAN, I2S) Equipped with 4MB Flash and 8MB PSRAM for complex applications Supports GNSS (GPS, Beidou, Glonass) for...
The WeAct STM32H723VGT6 Core Board is a high-performance development platform designed around the STM32H723 microcontroller, part of the STM32H7 series. With a powerful ARM Cortex-M7 core running at up to 550MHz, it is ideal for advanced embedded projects requiring robust processing, graphics, and data handling. This board includes features such as a TFT...
ESP32-S3-N16R8 based BLE 5.0 Mesh development board for advanced IoT projects Supports Wi-Fi 802.11 b/g/n and Bluetooth 5.0 with BLE Mesh networking Powered by Xtensa-R LX7 dual-core 240MHz processor for high-performance computing Features 512KB SRAM, 384KB ROM, and 16KB RTC SRAM for efficient data handling Offers extensive interface options including...
Compact 8-channel logic analyzer with a sampling rate up to 24MHz Ideal for debugging MCUs, FPGAs, and digital circuits Supports 0–5.5V logic levels for versatile system compatibility Works with open-source sigrok-PulseView for protocol decoding and analysis USB 2.0 high-speed interface for fast and reliable data transfer Compatible with Windows, Linux,...
BDT 1,550
BDT 1,550tax incl.
BDT 1,550tax excl.
BDT 1,550tax excl.
BDT 1,550tax incl.
BDT 1,550tax incl.
BDT 0Tax
BDT 1,550tax excl.
BDT 1,550tax excl.
BDT 0Tax
BDT 1,550tax incl.
In-Stock
In stock:5
Arduino Opta RS485 – secure micro PLC with industrial IoT support
Powered by STM32H747XI dual-core Cortex-M7 + M4 MCU
Supports Arduino sketches and IEC 61131-3 PLC languages (LD, FBD, ST, SFC, IL)
Built-in Ethernet, USB-C, and RS485 connectivity for versatile integration
Onboard secure element with X.509 compliance for reliable data security
DIN rail compatible, ideal for automation, energy, and remote monitoring
