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April 7, 2016 AT 4:40 pm

Coming Soon: Adafruit Feather 32u4 – RFM95W / RFM96W – LoRa Radios – 900MHz/433MHz

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Coming Soon: Adafruit Feather 32u4 – RFM95W / RFM96W – LoRa Radios – 900MHz/433MHz


Feather is the new development board from Adafruit, and like its namesake it is thin, light, and lets you fly! We designed Feather to be a new standard for portable microcontroller cores.

At the Feather 32u4’s heart is at ATmega32u4 clocked at 8 MHz and at 3.3V logic, a chip setup we’ve had tons of experience with as it’s the same as the Flora. This chip has 32K of flash and 2K of RAM, with built in USB so not only does it have a USB-to-Serial program & debug capability built in with no need for an FTDI-like chip, it can also act like a mouse, keyboard, USB MIDI device, etc.

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. We also tied the battery thru a divider to an analog pin, so you can measure and monitor the battery voltage to detect when you need a recharge.

Here’s some handy specs! Like all Feather 32u4’s you get:

  • Measures 2.0″ x 0.9″ x 0.28″ (51mm x 23mm x 8mm) without headers soldered in
  • Light as a (large?) feather – 5.5 grams
  • ATmega32u4 @ 8MHz with 3.3V logic/power
  • 3.3V regulator with 500mA peak current output
  • USB native support, comes with USB bootloader and serial port debugging
  • You also get tons of pins – 20 GPIO pins
  • Hardware Serial, hardware I2C, hardware SPI support
  • 8 x PWM pins
  • 10 x analog inputs
  • Built in 100mA lipoly charger with charging status indicator LED
  • Pin #13 red LED for general purpose blinking
  • Power/enable pin
  • 4 mounting holes
  • Reset button


Adafruit Feather 32u4 RFM95W LoRa Radio – 900MHz

This is the Adafruit Feather 32u4 LoRa Radio (RFM95W) 900MHz – our take on an microcontroller packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather 32u4 with a Long Range 900 MHz radio module cooked in! Great for making wireless networks that can go much further than 2.4GHz 802.15.4 and similar, are more flexible than Bluetooth LE and without the high power requirements of WiFi. We have other boards in the Feather family, check’em out here.

This is the 900 MHz radio version, which can be used for either 868MHz or 915MHz transmission/reception. If you don’t need LoRa radio, we have plain 900MHz packet radios as well

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Coming Soon! Sign up to get notified when the first shipment comes in!


Adafruit Feather 32u4 RFM96W LoRa Radio – 433MHz


This is the Adafruit Feather 32u4 LoRa Radio (RFM95W) 433MHz – our take on an microcontroller packet radio transceiver with built in USB and battery charging. Its an Adafruit Feather 32u4 with a 433 MHz radio module cooked in! Great for making wireless networks that can go much further than 2.4GHz 802.15.4 and similar, are more flexible than Bluetooth LE and without the high power requirements of WiFi. We have other boards in the Feather family, check’em out here.

This is the 433 MHz radio version. If you don’t need LoRa radio, we have plain 433MHz packet radios as well

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Coming Soon! Sign up to get notified when the first shipment comes in!


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