Arduino Opta WiFi - AFX00002
📡🤖 Arduino Opta WiFi – Industrial‐Grade Micro PLC & IoT Controller
The Arduino Opta WiFi (AFX00002) is a compact industrial controller (micro PLC) designed for connected automation, monitoring, and smart control systems with built-in Wi-Fi and other key industrial interfaces. It combines Arduino-friendly programming with rugged hardware suitable for real-world environments.
📊 INFOGRAPHIC OVERVIEW – Arduino Opta WiFi PLC
Arduino Opta WiFi | | (Model AFX00002) | 🧠 Processor | STM32H747XI Dual-Core ARM | | | Cortex-M7 @ 480 MHz | | | Cortex-M4 @ 240 MHz | | 🔌 Supply Voltage | 12–24 V DC | | 📡 Connectivity | Wi-Fi 802.11 b/g/n | | | Bluetooth Low Energy | | | Ethernet 10/100 (Modbus TCP) | | | RS-485 (Modbus RTU) | | 📊 Inputs | 8 Configurable Digital/Analog | | ⚡ Outputs | 4x High-Power Relays (10 A/250 VAC)| | 🔐 Security | ATECC608B Secure Element (X.509) | | 🛠️ Programming | Arduino IDE + IEC-61131-3 PLC | | 📡 Remote Control | Arduino Cloud & Third-Party IoT | | 🏭 Mounting | DIN-Rail Compatible | | 🌡️ Operating Temp | –20 °C to +50 °C | | 🧰 Certifications | CE, cULus, ENEC |
Industrial-ready micro PLC with built-in Wi-Fi + IoT connectivity — perfect for automation and smart control tasks.
⚙️ 1️⃣ Powerful Dual-Core MCU
STM32H747XI dual-core ARM processor
• Cortex-M7 (up to 480 MHz) — high-performance control and computation
• Cortex-M4 (up to 240 MHz) — real-time peripheral handling
👉 Enables real-time control, data processing, and protocol handling within the same controller.
🌐 2️⃣ Connectivity for IoT & Industrial Networks
Wi-Fi 802.11 b/g/n — wireless connectivity for remote access, dashboards, or cloud services.
Bluetooth Low Energy (BLE) — short-range device communication.
Ethernet (Modbus TCP) — wired industrial network support.
RS-485 (Modbus RTU) — fieldbus standard for industrial sensors and actuators.
👉 This range of interfaces makes it suitable for factory automation, sensor networks, and building control systems.
🧰 3️⃣ I/O Capabilities
Inputs
8 configurable digital or analog (0-10 V) inputs — read sensors, switches, process signals.
Outputs
4 mechanical relay outputs (up to 10 A @ 250 VAC) — control pumps, lights, fans, actuators.
These make the Opta suitable for both sensing and actuation in automation panels and equipment.
💻 4️⃣ Programming Flexibility
✔ Arduino IDE support — program using familiar sketches and libraries.
✔ IEC-61131-3 PLC languages — Ladder Diagram (LD), Function Block Diagram (FBD), Structured Text (ST), Sequential Function Chart (SFC), and Instruction List (IL).
👉 This lets both hobbyists and professional automation engineers use the same hardware and tools they prefer.
🔐 5️⃣ Industrial-Grade Security & Maintenance
ATECC608B secure element with X.509 certificate support — protects credentials and encrypted communication.
Secure OTA firmware updates — maintain devices remotely and safely.
These features are critical for secure IoT deployments in industrial settings.
🏭 6️⃣ Rugged, Reliable Design
✔ DIN-rail compatible — standardized industrial mounting.
✔ IP20 protection — suitable for control panels and industrial enclosures.
✔ Wide temperature range (-20 °C to 50 °C) — stable operation on factory floors.
✔ CE, ENEC, cULus certifications — safety and quality approvals.
🛠️ 7️⃣ Typical Use Cases
🔹 Industrial automation & PLC control
🔹 Remote monitoring & IoT dashboards
🔹 Building automation & lighting control
🔹 Energy usage monitoring
🔹 Smart factory sensors & actuators
🔹 Predictive maintenance systems
It bridges the gap between Arduino ease-of-use and traditional PLC reliability.
📌 Why Choose Arduino Opta WiFi?
✔ Industrial-ready micro PLC hardware
✔ Broad IoT connectivity (Wi-Fi, Ethernet, RS-485, BLE)
✔ Secure element + OTA update support
✔ Compatible with Arduino IDE and standard PLC languages
✔ Ideal for automation labs, smart factories & connected control panels
Compared to Other Opta Models
| Feature | Opta WiFi | Arduino Opta Rs485 ₹15,999•Robocraze + others | Arduino Opta Lite ₹13,716.83•DigiKey India + others |
|---|---|---|---|
| Wi-Fi | ✔ Yes | ❌ No | ❌ No |
| Ethernet | ✔ Yes | ✔ Yes | ✔ Yes |
| Bluetooth LE | ✔ Yes | ❌ | ❌ |
| I/O | 8 in / 4 relays | Similar | Fewer |
| IEC-61131-3 PLC support | Yes |
