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Adafruit Feather 32u4 RFM95 with a 900 MHz radio module

Adafruit Feather 32u4 RFM95 is a development board with built-in ATmega32u4 AVR microcontroller (8MHz, 32kB Flash, 2kB RAM) and RFM95W module enabling wireless communication in the 900 MHz band. The board is compatible with Arduino IDE, has small dimensions and low weight, and the built-in USB connector allows programming and debugging. Adafruit 3078

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ID: 561600



40,95€ gross (23% VAT)
33,29€ net

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Adafruit Feather 32u4 RFM95 LoRa Radio 900 MHz is a development board with a built-in ATmega32u4 AVR microcontroller (known, among others, from Arduino Leonardo ), clocked at 8 MHz. The built-in system works with 3.3 V logic, has a flash memory with a capacity of 32 kB and 2 kB of RAM. The board is compatible with the Arduino IDE environment, and the USB connector allows its programming and debugging. The module also includes the RFM95 LoRa system enabling wireless communication in the 900 MHz band.

Using the 900 MHz frequency is illegal in Europe, a module operating in the ISM band for Europe, i.e. operating in the 433 MHz band, should be used.

Built-in lithium-polymer battery connector and charger module enable connection of a 500 mAh Li-Pol battery . The battery is charged via the mounted USB connector. In addition, the board has a connection between the battery and one of the analog inputs, which allows detecting the battery charge and battery discharge signaling.


  • Built-in ATmega32u4 AVR microcontroller (8 MHz, 32 kB Flash, 2 kB RAM, 3.3 V logic)
  • Built-in RFM95 module
    • Frequency: 900 MHz
    • Interface: SPI
  • Built-in 3.3 V voltage stabilizer with a maximum current capacity of 500 mA
  • Native USB support, a system programmed with Arduino bootloader, the ability to debug
  • 20 GPIO lines
  • Hardware support UART, I2C, SPI
  • 8 PWM lines
  • 10 analog inputs
  • Built-in Li-Po charger with charging indicator (maximum 100 mA charging current)
  • The red light-emitting diode connected to the line No. 13
  • Power supply control line
  • Four mounting holes
  • Board dimensions: 51 mm x 23 mm x 8 mm (without soldered connectors)
  • Weight: 5.5 g


  • Adafruit Feather 32u4 RFM95 LoRa Radio 900 MHz
  • Pin connectors (short) for self-assembly