espressif/esp-dsp

21 examples

• applications 6
  • azure_board_apps 2
    • apps 2
      • 3d_graphics

        This demo for the ESP32-Azure IoT kit showcases 3D graphics and matrix usage with the ESP-DSP Mat class, featuring a rotating 3D object.

        95.71 KB
      • kalman_filter

        The demo showcases a Kalman filter application on the ESP32-Azure IoT kit, utilizing IMU sensors for 3D graphics display.

        104.63 KB
  • m5stack_core_s3 2
    • apps 2
      • 3d_graphics

        The demo showcases 3D graphics on the M5Stack Core S3 board, using matrices with ESP-DSP to display a rotating 3D object.

        6.37 KB
      • kalman_filter

        The demo showcases 3D graphics on the M5Stack Core S3 board, utilizing ESP-DSP and sensors like bmi270 and bmm150.

        15.62 KB
  • lyrat_board_app

    This application demonstrates audio processing on the ESP32-LyraT board using IIR filters from the ESP-DSP library.

    361.93 KB
  • spectrum_box_lite

    This demo application for the ESP32-S3-BOX-Lite showcases FFT functions from the ESP-DSP library to process audio streams from two microphones.

    5.12 KB
• apps 2
  • 3d_graphics

    This demo showcases a 3D graphics application for the ESP32-Azure IoT kit using the ESP-DSP Mat class and Kalman filter.

    95.71 KB
  • kalman_filter

    The demo showcases the ESP32-Azure IoT kit using a Kalman filter for processing IMU signals to display a 3D object on the board.

    104.63 KB
• azure_board_apps 2
  • apps 2
    • 3d_graphics

      This demo showcases the ESP32-Azure IoT kit's ability to display 3D graphics, with rotation control and selectable objects.

      95.71 KB
    • kalman_filter

      This demo showcases the Kalman filter with the ESP32-Azure IoT kit to process IMU sensor outputs and display a 3D object.

      104.63 KB
• basic_math

  This example demonstrates how to use basic math functions from the esp-dsp library, including FFT calculations and signal windowing.

  3.25 KB
• conv2d

  This example demonstrates how to use 2D convolution from the esp-dsp library, calculating the convolution of two images.

  2.37 KB
• dotprod

  This example demonstrates how to use the dot product function from the esp-dsp library, initializing input arrays, calculating their dot product, and measuring execution time.

  2.58 KB
• fft

  This example demonstrates how to use the FFT functionality from the esp-dsp library, processing complex input signals and displaying the results.

  3.47 KB
• fft4real

  This example demonstrates how to use FFT functionality from the esp-dsp library for 1024 complex samples.

  3.65 KB
• fft_window

  This example demonstrates how to use Window and FFT functionality from the esp-dsp library.

  3.37 KB
• fir

  This example demonstrates how to use FIR filter functionality from the esp-dsp library, covering signal initialization, FFT processing, and FIR filtering.

  3.87 KB
• iir

  This example demonstrates how to use IIR filters from the esp-dsp library, including filtering input signals and showing impulse and frequency responses.

  3.53 KB
• kalman

  This example emulates a system with IMU sensors using Extended Kalman Filter to estimate gyroscope errors and calculate system attitude.

  8.46 KB
• lyrat_board_app

  This demo application for the ESP32-LyraT board showcases IIR filter functionality for processing audio streams.

  361.93 KB
• matrix

  This example demonstrates how to use Mat class functionality from the esp-dsp library to perform matrix operations.

  2.49 KB