ESP32-S2 — Espressif
Single-core Xtensa LX7 MCU, WiFi+USB OTG, 240MHz, 320KB SRAM, QFN56

Category: MCU

Pricing
  LCSC         $1.74
  Mouser       $2.24
  DigiKey      $2.32
  Farnell      $2.46

Manufacturer: https://www.espressif.com