https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_index.json
.
Finally, under Tools > Boards Manager, add the "esp32" boards package. Select Adafruit ESP32 Feather as your board and select the corresponding port.
Note: the terms here can be confusing. ESP32 refers to a series of low-cost, low-power system-on-a-chip microcontrollers with integrated Wi-Fi and Bluetooth. Its precursor was the ESP8266 -- many tutorials will be compatible with both. Feather is a line of development boards from Adafruit. The Huzzah32 is the specific Feather board that is built around the ESP32.
####More resources - [Adafruit learning guide](https://learn.adafruit.com/adafruit-huzzah32-esp32-feather) - [A Starter Tutorial](https://randomnerdtutorials.com/getting-started-with-esp32/) - [Espressif forum on Arduino with ESP32](https://www.esp32.com/viewforum.php?f=19) - [Book by Kolban](./kolban-ESP32.pdf) - There are a few things that don't translate automatically to ESP from more standard Arduino usage. Some of these are noted in past messages on our Slack page.