ESP32-S2-I — Espressif
Single-core Xtensa LX7 MCU, WiFi+USB OTG, 240MHz, 320KB SRAM, QFN56, industrial range -40..+85C

Category: MCU

Pricing
  LCSC         $1.98
  Mouser       $2.39
  DigiKey      $2.53
  Farnell      $2.64

Manufacturer: https://www.espressif.com