Adafruit Feather M0 RFM95 LoRa Radio (868/915 MHz)
ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM95 LoRa radio at 868/915 MHz. Spread-spectrum LoRa modulation for multi-kilometre range, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.
$34.95
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Specifications
Components
HopeRF RFM95 LoRa 868/915MHz transceiver based on Semtech SX1276, SF7-SF12, up to +20 dBm TX, LoRaWAN compatible.
Bus Interfaces
GPIO Map
Overview
The Adafruit Feather M0 RFM95 LoRa 868/915 MHz pairs the ATSAMD21G18 ARM Cortex-M0+ microcontroller with the HopeRF RFM95 LoRa radio module for long-range wireless communication in the 868 MHz (Europe) and 915 MHz (North America/Australia) ISM bands. LoRa's chirp spread-spectrum technology allows receivers to decode signals well below the noise floor, achieving multi-kilometre range at low data rates.
The ATSAMD21G18 runs at 48 MHz with 256KB of flash and 32KB of SRAM. Native USB support simplifies programming and serial debugging. The RFM95 is based on the Semtech SX1276 and offers configurable spreading factor (SF7–SF12), bandwidth, and coding rate to balance range against throughput. Transmit power is adjustable up to +20 dBm, and a u.FL connector accommodates an optimized external antenna.
The board includes all standard Feather features: 20 GPIO pins, 6 analog inputs, one DAC output, 8 PWM channels, hardware I2C, SPI, and UART. A JST LiPo connector with 100mA on-board charger enables fully portable battery-powered operation. Feather FeatherWing accessories slot in directly to extend functionality.
The Arduino LMIC library and RadioHead library are both compatible, making it easy to connect to LoRaWAN networks such as The Things Network or build custom point-to-point and mesh topologies. This is the most popular Feather radio board for LoRaWAN IoT deployments in the 868/915 MHz bands.
Use Cases
5IoT
Internet of Things applications including connected sensors, actuators, and smart devices that communicate over WiFi, BLE, LoRa, or other wireless protocols.
LoRa Mesh Networking
Building off-grid mesh communication networks using LoRa radio for text messaging, location sharing, and sensor data relay without cellular or internet infrastructure.
Environmental Monitoring
Monitoring environmental conditions like temperature, humidity, air quality, and weather data using remote sensors.
Asset Tracking
Tracking the location and status of physical assets like vehicles, packages, and equipment.
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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