Feather of the Day: Adafruit Feather HUZZAH with ESP8266 #Adafruit #Feather #ESP8266
The Adafruit Feather ecosystem is so rich with hardware diversity, we wanted to share them, one each day. Today is the Adafruit Feather HUZZAH with ESP8266!
The Adafruit Feather HUZZAH ESP8266 is our take on an ‘all-in-one’ ESP8266 WiFi development board with built-in USB and battery charging. It’s an ESP8266 WiFi module with all the extras you need, ready to rock!
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 high-quality SiLabs CP2104 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. The CP2104 has better driver support than the CH340 and can do very high speeds without stability issues.
Here’s some handy specs!
Measures 2.0″ x 0.9″ x 0.28″ (51mm x 23mm x 8mm) without headers soldered in
Light as a (large?) feather – 9.7 grams
ESP8266 @ 80MHz with 3.3V logic/power
4MB of FLASH (32 MBit)
Built in WiFi 802.11 b/g/n
3.3V regulator with 500mA peak current output
CP2104 USB-Serial converter onboard with 921600 max baud rate for speedy uploading
Auto-reset support for getting into bootloader mode before firmware upload
9 x GPIO pins – can also be used as I2C and SPI
1 x analog inputs 1.0V max
Built-in 100mA LiPoly charger with charging status indicator LED, can also cut a trace to disable the charger
Pin #0 red LED for general purpose blinking. Pin #2 blue LED for bootloading debug & general purpose blinking
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