The ESP32 is a popular family of wireless microcontroller chips developed by the Chinese chip maker Espressif. It’s a very affordable solution for use in commercial products especially considering its high level of performance and extensive features. The Espressif ESP WiFi family of microcontrollers started with the original ESP8266 which embedded a single-core microcontroller with a WiFi radio. This chip was a phenomenal success especially with the electronics maker community. Then in 2016, Espressif released the ESP32 which primarily added a Bluetooth radio and an optional dual-core microcontroller. Even though the ESP32 included lots of new capabilities compared to the