This battery powered esp32 is making a little sound when on. Any

I destroyed ESP32 CAM + servo motor :'( - Hardware - Arduino Forum

ESP32 Development Boards Review and Comparison - Maker Advisor

Sound with ESP32 - I2S Protocol

What is ESP32, how it works and what you can do with ESP32? – Circuit Schools

ESP32 power meter for measuring power conversion efficiency

AC to DC Power Supply Design for PI/Arduino/ESP32 Electronics - Integrations - OpenEnergyMonitor Community

ESP32-CAM Troubleshooting Guide: Most Common Problems Fixed

Low power wake-up receiver for an ESP32 battery-powered project

How to Make an ESP32 Sound Recorder？- Makerfabs