Datasheet

At the Feather HUZZAH's heart is an ESP8266 WiFi microcontroller clocked at 80 MHz and at 3.3V logic. This

microcontroller contains a Tensilica chip core as well as a full WiFi stack. You can progam the microcontroller using the

Arduino IDE for an easy-to-run Internet of Things core. We wired up a USB-Serial chip that can upload code at a

blistering 921600 baud for fast development time. It also has auto-reset so no noodling with pins and reset button

pressings.

To make it easy to use for portable projects, we added a connector for any of our 3.7V Lithium polymer batteries and

built in battery charging. You don't need a battery, it will run just fine straight from the micro USB connector. But, if you

do have a battery, you can take it on the go, then plug in the USB to recharge. The Feather will automatically switch

over to USB power when its available.