.. note:: Hello, welcome to the SunFounder Raspberry Pi & Arduino & ESP32 Enthusiasts Community on Facebook! Dive deeper into Raspberry Pi, Arduino, and ESP32 with fellow enthusiasts. **Why Join?** - **Expert Support**: Solve post-sale issues and technical challenges with help from our community and team. - **Learn & Share**: Exchange tips and tutorials to enhance your skills. - **Exclusive Previews**: Get early access to new product announcements and sneak peeks. - **Special Discounts**: Enjoy exclusive discounts on our newest products. - **Festive Promotions and Giveaways**: Take part in giveaways and holiday promotions. 👉 Ready to explore and create with us? Click [|link_sf_facebook|] and join today! Video 14: Playing Custom Music Note ========================================== In this tutorial, you'll learn how to use the SunFounder ESP32 IoT Learning Kit to play custom musical notes: * **Passive Buzzer Introduction**: Unlike the previous tutorial with an active buzzer, this one uses a passive buzzer which requires an external signal for sound generation. * **Wiring Guide**: Detailed instructions to correctly wire the passive buzzer to the ESP32 module. * **Buzzer Specifications**: The passive buzzer operates on 3 to 5 volts and can produce varying tones based on the input signal frequency. * **Arduino Code Overview**: The tutorial explains how to write and upload code to ESP32 for generating different musical notes through PWM signals. * **Musical Note Project**: Create a setup to play a series of musical notes with the passive buzzer controlled by ESP32. * **Project Execution**: Demonstrates the playing of musical notes once the code is successfully uploaded to the ESP32 module. **Video** .. raw:: html .. .. **Related On-line Tutorials** .. .. * :ref:`ar_pa_buz`