tech-specs.yml

Board:
  SKUs:
    Arduino Opta® Lite: AFX00003
    Arduino Opta® RS485: AFX00001
    Arduino Opta® WiFi: AFX00002
Microcontroller:
  ID: STM32H747XI Dual ARM® Cortex®
  Cortex-M7 core: Up to 480 MHz
  Cortex-M4 core: Up to 240 MHz
Input:
  Configurable digital / analog input: 8
  Digital Operational Range: 0-24 V
  Digital Voltage Input Low (VIL) Max: 4.46 V
  Digital Voltage Input High (VIH) Min: 6.6 V
  Analog Operational Range: 0-10 V
Relays:
  Nº of relays: 4
  Type: Normally Open (NO)
  Relay rated voltage: 250 VAC
  Relay maximum switching voltage: 400 VAC
  Maximum current per relay: 10 A
  Maximum peak current per relay: 15 A
Connectivity and communication:
  Expansion Port: Up to 5 expansion modules (e.g., AFX00005, AFX00006, AFX00007)
  USB-C®: 
    For programming and data logging: All variants
  Ethernet: 
    TCP/IP or Modbus TCP: All variants
  Bluetooth® Low Energy: 
    Local sensor data acquisition: Arduino Opta® WiFi Only
  Wi-Fi®:
    Network connectivity: Arduino Opta® WiFi Only
  RS-485: 
    Modbus RTU: Arduino Opta® RS485 & Arduino Opta® WiFi Only
Power:
  Input voltage: 12-24 VDC
Memory:
  SDRAM: 1 MB
  Onboard flash memory: 2 MB internal + 16 MB Flash QSPI
Dimensions:
  Weight: 210 g
  Width: 69 mm
  Length: 80 mm
  Height: 90 mm
IP Protection: IP20
RTC: ~10 days, NTP sync through Wi-Fi® (AFX00002 only) or Ethernet
Secure element: ATECC608B
Programming:
  Arduino programming language: Via Arduino IDEs, Arduino CLI, Arduino Cloud Editor
  IEC-61131-3: Ladder Diagram (LD), Function Block Diagram (FBD), Sequential Function Chart (SFC), Structured Text (ST), Instruction List (IL)
Wiring specifications:
  Recommended torque: 0.80 Nm
  Recommended tool: "#1 Phillips-headscrewdriver"
  Stripping length: 9 mm
  Wire type:
    Solid conductor minimum size: 0.5 mm² (20 AWG)
    Solid conductor maximum size: 6 mm² (10 AWG)/2x4 mm² (2x12 AWG)
    Stranded conductor minimum size: 0.5 mm² (20 AWG)
    Stranded conductor maximum size: 4 mm² (12 AWG)/2x2.5 mm² (2x14 AWG)