Arduino Nano ESP32 - Audio

In this tutorial, we will delve into the utilization of Arduino Nano ESP32 for audio sound generation. We will explore the following aspects in detail:

Arduino Nano ESP32 audio

Hardware Preparation

1×Arduino Nano ESP32
1×USB Cable Type-C
1×Jumper Wires
1×(Optional) 5V Active Buzzer
1×(Optional) 12V Active Buzzer
1×(Optional) 12V Alarm Siren Horn
1×(Optional) Serial MP3 Player Module
1×(Optional) Micro SD Card
1×(Optional) 3.5mm Aux Speaker
1×(Optional) 9V Power Adapter for Arduino Nano ESP32
1×(Recommended) Screw Terminal Adapter for Arduino Nano

Or you can buy the following sensor kit:

1×DIYables Sensor Kit 30 types, 69 units
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Overview of Arduino Nano ESP32 and Audio

There are several ways to make Arduino Nano ESP32 generate sound. Depending on your application, you can choose one of the following methods to make sound using ESP32: