Espressif launched ESP8266 in 2014 and ESP32 in 2016. ESP8266, with its Wi-Fi-only MCU, facilitated simple connectivity use-cases. ESP32 addressed use-cases that required dual-connectivity (Wi-Fi + Bluetooth/Bluetooth LE), considerably more computing power, and strong security features. These two chips became segment leaders in the IoT market, powering up a large number of connected devices. In…