ESP32/ESP8266

The ESP32 is a series of low-cost, low-power, single-chip microcontrollers with integrated Wi-Fi and dual-mode Bluetooth. The ESP32 family uses the Tensilica Xtensa LX6 microprocessor and includes dual-core and single-core variants with built-in antenna switches, RF converters, power amplifiers, low-noise receiver amplifiers, filters and power management modules.