ESP32 Bluetooth Classic with Arduino IDE - Getting Started | Random Nerd Tutorials
ESP32(ESP-WROOM-32) WiFi & Bluetooth Dual-Core MCU Module - DFRobot
Amazon.com: HiLetgo ESP-WROOM-32 ESP32 ESP-32S Development Board 2.4GHz Dual-Mode WiFi + Bluetooth Dual Cores Microcontroller Processor Integrated with Antenna RF AMP Filter AP STA for Arduino IDE : Electronics
ESP32 Bluetooth – Ultimate Guide
ESP32 Bluetooth Tutorial | How to Use Inbuilt Bluetooth of ESP32 : 5 Steps - Instructables
Getting Started with the ESP32 - Using the Arduino IDE