Adafruit Feather M0 RFM69HCW Packet Radio - 868 or 915 MHz

The Adafruit Feather M0 RFM69 Packet Radio offers a seamless fusion of microcontroller precision and RFM69HCW packet radio transceiver efficiency. This compact, lightweight module integrates a 900 MHz radio, providing versatile transmission options on 868MHz or 915MHz frequencies, adjusted dynamically via software.

Powered by an ATSAMD21G18 ARM Cortex M0 processor, it boasts a robust 48 MHz clock speed, 256K FLASH memory, and 32K RAM, providing ample power for complex projects. The built-in USB-to-Serial capability ensures straightforward programming and debugging without the need for additional components.

Designed for portability, the Feather M0 includes a connector for 3.7V Lithium polymer batteries with built-in battery charging, enabling mobile usage without power concerns. It automatically switches between USB and battery power, with a built-in battery voltage monitor for efficient power management.

Key specifications encompass 20 GPIO pins, multiple hardware interfaces, PWM, and analog inputs, ensuring rich connectivity for diverse applications. The Feather M0 Radio enhances connectivity further with the RFM69HCW radio module, offering approximately 350 meters range for data packet transmission, leveraging license-free ISM bands.

Included is packet encryption, simple wire antenna capability, and the ability to create multi-point networks with node addresses. Fully assembled and conveniently compatible with Arduino IDE, this module invites exploration into expansive wireless communications and innovative portable solutions.