ESP32-I — Espressif
Dual-core Xtensa LX6 MCU, WiFi+BLE, 240MHz, 520KB SRAM, QFN48, industrial range -40..+85C

Category: MCU

Pricing
  LCSC         $2.44
  Mouser       $2.79
  DigiKey      $3.02
  Farnell      $3.19

Manufacturer: https://www.espressif.com