Adafruit Feather M0 RFM95 LoRa 900 MHz
ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM95W SX1276 LoRa radio for 868/915 MHz. Achieves 2+ km range, supports LoRaWAN, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.
$34.95
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Specifications
Components
HopeRF RFM95W LoRa module based on Semtech SX1276, 868/915MHz, +5 to +20dBm TX, SF6-SF12, >2km range.
Bus Interfaces
GPIO Map
Overview
The Adafruit Feather M0 RFM95 LoRa 900 MHz is the ARM-powered LoRa Feather targeting the 868/915 MHz ISM bands. It combines the ATSAMD21G18 ARM Cortex-M0+ at 48 MHz with HopeRF's RFM95W module built on the Semtech SX1276 — delivering long-range LoRa connectivity with the compute power and memory of an ARM Cortex-M0+ in the compact Feather form factor.
The SX1276 LoRa radio achieves over 2 km of range with simple quarter-wave wire antennas, and 20+ km is achievable with directional antennas and optimal spreading factor settings. Transmit power is adjustable from +5 to +20 dBm. The board's u.FL antenna connector allows swapping the included wire antenna for any 868/915 MHz external antenna.
With 256KB of flash and 32KB of SRAM, the SAMD21 provides substantially more room for LoRaWAN stack code, sensor drivers, and application logic compared to 8-bit alternatives. Native USB means the board can be used as a USB serial device or HID device. The built-in 100mA LiPo charger enables long-duration battery-powered deployments.
This is Adafruit's most popular LoRa Feather and is fully compatible with the RadioHead library, the Arduino LMIC LoRaWAN stack, and CircuitPython's LoRa libraries. It is ideal for sensor nodes, environmental monitors, asset trackers, and LoRaWAN end-devices.
Use Cases
6LoRa IoT
IoT applications using LoRa radio for long-range, low-power sensor connectivity.
Long-Range IoT
IoT deployments using LoRa or sub-GHz radio for communication ranges of several kilometers.
LoRaWAN Gateway
Bridges LoRa end nodes to IP networks, enabling long-range low-power IoT communication for sensor networks, agriculture, and smart city deployments.
Remote Sensor Nodes
Deploy wireless sensor nodes in remote locations using LoRa, NB-IoT, or cellular connectivity.
IoT
Internet of Things applications including connected sensors, actuators, and smart devices that communicate over WiFi, BLE, LoRa, or other wireless protocols.
Prototyping
Rapid hardware prototyping and proof-of-concept development with breadboard-friendly form factors and accessible development environments.
Resources
Where to Buy
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