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GRC Dev Board


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The GRC Dev Board is a development kit and reference design that simplifies prototyping and testing of advanced industrial AIoT applications such as Anomaly Detection and n-Class Classification for predictive maintenance.

High-performance speed is achieved due to the use of reservoir computing methods implemented in the GRC AI Module.

The GRC Dev Board allows

  • Promptly testing ready-made, pre-configured neural network;
  • Checking the viability of ML algorithms in solving your particular tasks;
  • Selecting AI functionality which will suit best to your goals;
  • Developing SW, debugging and testing for your target device.

The GRC Dev Board provides functionality for simple sensors connection, on-the-fly software development and debugging, i.e.

  • Sensors management and control
  • Data pre-processing
  • Data formatting for their further processing in the GRC AI Module
  • Data flow transfer onto the GRC AI Module
  • GRC AI Module management and control
  • GRC AI Module results output
  • Data post-processing
  • Results shown on OLED display and/or via LEDs


  • GRC Dev Board is a multi-sensing module for implementing AI-driven solutions by adding Anomaly Detection and n-Class Classification functionality
  • Built around ESP32 C3 core system board possessing all appealing expansion, processing, computing and performance characteristics of the original MCU and even more
  • Processors:
    • Main processor: Tensilica Xtensa 32-bit LX7 microprocessor
      • Cores: 2
      • Clock frequency: up to 240 MHz
      • Performance: up to 600 DMIPS
  • Easily-detachable GRC AI SW module, a tailored solution for AIoT tasks
  • Memory
    • 384 KB ROM
    • 512 KB SRAM
    • 16 KB SRAM in RTC
    • 16 MB of PSRAM
    • 16 MB of SPI Flash
  • Connectivity: USB, UART to USB interface CP2102N
  • Rich choice of sensors:
    • 2 ultra-compact, low-power, omnidirectional, digital MEMS microphone MP34DT06JTR (PDM microphones)
    • A multi-chip module MPU-9250 (9-axis sensor: a gyroscope, an accelerometer, and a compass)
  • Modular architecture, expandable via on-board connectors:
    • ESP32 USB port
    • UART USB port
    • Battery connector
    • OLED Display port
    • Arduino compatible extension port
  • Support of battery power supply with charge control and protection
  • Other Dev Board components:
    • 3 RGB LEDs – SK6805
    • 2 buttons: Reset and User/Boot
    • Power and battery management
    • OLED Display (optional)

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