ESP-12KR — Ai-Thinker
ESP32-S2 WiFi module, 4MB flash, PCB antenna, tape & reel, 2500 pcs

Category: Module

Pricing
  LCSC         $1.80
  Mouser       $2.14
  DigiKey      $2.36
  Farnell      $2.50

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