ESP-32S-I — Ai-Thinker
ESP32 WiFi+BLE module, 4MB flash, PCB antenna, industrial range -40..+85C

Category: Module

Pricing
  LCSC         $2.11
  Mouser       $2.74
  DigiKey      $2.66
  Farnell      $3.04

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