Pycom SiPy 1.0 – ESP32 WiFi, BLE and +22dBm SigFox Radio : ID 3534 : $54.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Music from a ESP32 Microcontroller - Phil Schatzmann
ESP32 Based Internet Radio using MAX98357A I2S Amplifier Board
10] DIY DSP Bluetooth Speaker with ESP32 - YouTube
TTGO T-Display ESP32 WiFi and Bluetooth Module Development Board For Arduino 1.14 Inch LCD - Buy and Sell Hardware Products, DIY Electronics and Kits, HuaQiangBei Online Store - PCBWay
ESP32 - Wikipedia
ESP32 Internet Radio Bluetooth - Microdaz Blog
Amazon.com: LILYGO TTGO Disaster-Radio LoRa32 V2.1 1.6 Version CH9102F CHIP 433MHZ LoRa ESP-32 OLED 0.96 Inch SD Card Bluetooth WiFi Module (433MHZ) : Electronics