Keyestudio ESP32 - 5. Test Result; 6. Knowledge Expansion; 7. Code Explanation

To Next Page

To Previous Page

ESP32 Starter Kit

5. Test Result

After uploading code and powering on, the ampliﬁer circularly plays music tones with corresponding frequency: DO,

Re, Mi, Fa, So, La, Si.

6. Knowledge Expansion

Let’s make it play a birthday song. We have already added some songs in library so you can directly drag these song

blocks from “Music”.

Code:

7. Code Explanation

1. Set the tone frequency. After setting the pin, we can select the frequency to compose music.

2. Music module, for the convenience of use, we have integrated 6 pieces of music in the code, thus, we just need

to set the pin and select the music.

9.2. Scratch Project 205