The Arduino hello world example

• ... and even some older version of magic wand, which is not available elsewhere

Unfortunately the Arduino library TensorFlowLite_ESP32 uses an outdated version of the tensorflow lite micro code. I therefore created my own Arduino Library (TFLM_ESP32) with the latest version of tflm and I modified the example code correspondingly.

The Arduino code uses a pre-built model (see hello_world tflite-micro version for the creation and training of the model) in form of a C++ source file and its associated include file (model.cpp and model.h) to get hold of this model.

The TinyML examples written in C++

The TinyML examples in C++, ported to the ESP32 can be found at https://github.com/espressif/tflite-micro-esp-examples/tree/master/examples. There you also find the procedures to actually build the programs. In fact there are two methods of building:

• use thee Espressif esp-idf build system
• use the Arduino IDE
• use the MicroPython interface to TensorFlow MicroPython Examples

TensorFlow Lite Micro repository

Arduino

For the Arduino SDK (Software Development Kit) you can install the TensorFlowLite_ESP32 library, which does not only contain the TensforFlowLite library but also the examples

• hello_world
• wake word detection
• person detection

Uli Raich - 2023-12-18

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