ESP8266EXR — Espressif
Tensilica L106 MCU, WiFi, 80MHz, 160KB RAM, QFN32, tape & reel, 2500 pcs

Category: MCU

Pricing
  LCSC         $1.02
  Mouser       $1.29
  DigiKey      $1.33
  Farnell      $1.34

Manufacturer: https://www.espressif.com