ATSAMD21G18 ARM Cortex-M0+ @ 48 MHz

Feather-format ATSAMD21 ARM Cortex-M0+ board at 48 MHz, 3.3V with 256KB flash, 32KB RAM, LiPo charging, native USB, 12-bit ADC/DAC, and RTC crystal — lightweight and CircuitPython-capable.

Feather-format ATSAMD21 ARM Cortex-M0+ data logger at 48 MHz, 3.3V with microSD slot, 256KB flash, 32KB RAM, LiPo charging, native USB, and 12-bit ADC — 32-bit power for field data collection.

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM96 LoRa radio at 433 MHz. Spread-spectrum modulation for long-range links, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

ARM Cortex-M0+ Feather board with ATWINC1500 802.11 b/g/n WiFi, 256KB flash, 32KB RAM, 10 analog inputs, and built-in LiPo charger. FCC-certified WiFi for IoT and connected projects.

ARM Cortex-M0+ dev board with Bluetooth LE (nRF51822) in the compact Feather form factor. Features 256KB flash, 32KB RAM, native USB, and a built-in LiPo charger for wireless wearable and IoT projects

Variant of the Feather M0 WiFi (ATSAMD21 + ATWINC1500) with a u.FL antenna connector instead of a PCB trace antenna, allowing use of an external antenna for improved WiFi range.

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM69HCW sub-GHz radio at 868/915 MHz. Up to +20 dBm TX power, AES-128 encryption, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM69HCW sub-GHz radio at 433 MHz. Up to +20 dBm TX power, AES-128 encryption, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

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.

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM96W SX1278 LoRa radio for 433 MHz. Achieves 2+ km range, supports LoRaWAN, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

All-in-one ATSAMD21 learning board with 10 NeoPixels, LIS3DH accelerometer, MEMS microphone, speaker with class D amp, IR transmit/receive, 7 capacitive touch pads, and 2MB SPI flash for CircuitPython

32-bit ARM Cortex-M0+ Arduino in UNO form factor with ATSAMD21G18 at 48 MHz, 256KB flash, 32KB SRAM, onboard EDBG debugger, dual USB ports, 12-bit ADC/DAC — designed for IoT, wearables, and robotics.

ATSAMD21G18 ARM Cortex-M0+ Feather board with 2MB SPI flash for CircuitPython code storage, built-in NeoPixel, 256KB flash, 32KB RAM, native USB, and 100mA LiPo charger. The dedicated CircuitPython Fe

ATSAMD21G18 ARM Cortex-M0+ Feather board with RFM69HCW sub-GHz radio at 868/915 MHz. Up to +20 dBm TX power, AES-128 encryption, 256KB flash, 32KB RAM, native USB, and built-in LiPo charger.

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.