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ESP8266 FEATHER HUZZAH

Summary

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 program the microcontroller using the Arduino IDE for an easy-to-run Internet of Things core. We wired up a USB-Serial chip that an 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.

Comes fully assembled and tested, with a USB interface that lets you quickly use it with the Arduino IDE or NodeMCU Lua (it comes preprogrammed with the Lua interpreter). This version of the board has also been pre-soldered, so you can plug it right into a solderless breadboard.

Specifications

Manufacturer Adafruit Industries LLC
Category Open Source MCU Platforms
Eval Board Part Number 1528-1901-ND
Eval Board Supplier Adafruit Industries LLC
IDE Arduino IDE, with Software Add-on
NodeMCU Lua interpreter
Speed 160 MHz
Memory, Flash/RAM 4 MB / 50 kB
Digital I/O 14 I/O, 4 PWM
Analog Outputs (DACs) -
Analog Inputs 1 x 10 Bit (1.0V Limit)
Features LiPoly charger with charging status indicator LED
Power/Enable Pin
Real Time Clock
Timers
Touch Sensing Pins -
Interrupt Pins -
Program/Debug Interface USB Type-Micro B
Interface I²C
I²S
SPI
UART
I/O Voltage 3.3 V
Input Voltage 3.7 ~ 5.5 V
DMA Channels -
Radio Wi-Fi 802.11 b/g/n
Main I.C. Base Part ESP8266EX

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