Technical requirements
To complete all the practical recipes of this chapter, we will need the following:
- An Arduino Nano 33 BLE Sense board
- A Raspberry Pi Pico board
- Smartphone (Android phone or Apple iPhone)
- Micro Universal Serial Bus (USB) cable
- 1 x half-size solderless breadboard
- 1 x electret microphone amplifier - MAX9814 (Raspberry Pi Pico only)
- 11 x jumper wires (Raspberry Pi Pico only)
- 2 x 220 Ohm resistor (Raspberry Pi Pico only)
- 1 x 100 Ohm resistor (Raspberry Pi Pico only)
- 1 x red LED (Raspberry Pi Pico only)
- 1 x green LED (Raspberry Pi Pico only)
- 1 x blue LED (Raspberry Pi Pico only)
- 1 x push-button (Raspberry Pi Pico only)
- Laptop/PC with either Ubuntu 18.04+ or Windows 10 on x86-64
The source code and additional material are available in the Chapter04
folder of the GitHub repository (https://github.com/PacktPublishing/TinyML-Cookbook/tree/main/Chapter04).