ESP-32DR — Ai-Thinker
ESP32 WiFi+BLE module, 4MB flash, PCB antenna, tape & reel, 2500 pcs

Category: Module

Pricing
  LCSC         $2.07
  Mouser       $2.41
  DigiKey      $2.61
  Farnell      $2.73

Manufacturer: https://www.ai-thinker.com