This solution features an offline edge AI HMI integrating speech recognition with emWin AppWizard. Powered by the Arm® Cortex®-M55 & Ethos™-U55 NPU, the NuMicro® M55M1 locally processes voice activation, keyword spotting, and NLU, parsing natural speech with filler words into precise commands.

The system delivers real-time GUI and audio updates for voice-triggered adjustments. This 100% on-device workflow ensures zero network reliance, low system cost, and total data privacy. Leveraging the M55M1’s robust AI power and rich peripherals, developers can rapidly deploy next-gen AIoT applications (smart appliances, industrial HMIs) and upgrade traditional embedded systems instantly.

• Feature
  

  -	Natural Language Understanding (NLU) with Multilingual Support
  -	SD Card Read/Write
  -	Supports 800 x 480 TFT-LCD Display
  -	Supports Segger emWin AppWizard

• Specifications

  M55M1 (32-bit Arm® Cortex®-M55)
  -	Ethos-U55 220 MHz 256 MAC
  -	Operating Frequency: 220 MHz
  -	Memory: 2 MB Flash memory / 1.5 MB SRAM
  -	Connectivity: Parallel Image Sensor, DMIC, USB, I2C, UART, Nu-Link

• System Block Diagram