ESP32

This low-cost, low-power system on a chip microcontroller is developed by Espressif Systems. It features integrated Wi-Fi and dual-mode Bluetooth, operating on a Tensilica Xtensa LX6 microprocessor at 160 or 240 MHz and has 320 KiB SRAM memory. Running on 3.3 V DC power, it was released in September 2016, succeeding the ESP8266.