Adafruit PyPortal

Dev Board
Adafruit PyPortal

The Adafruit PyPortal is an all-in-one CircuitPython WiFi IoT display board featuring an ATSAMD51J20 Cortex-M4F, ESP32 WiFi coprocessor, 3.2" 320×240 color touchscreen, built-in speaker, NeoPixel, mic

ATSAMD51J20 ARM Cortex-M4F @ 120MHz256 KB8 MBWiFi 802.11 b/g/n (via ESP32 coprocessor, TLS/SSL)
~$70View

Adafruit Monster M4SK

Dev Board
Adafruit Monster M4SK

The Adafruit Monster M4SK is a wearable dual-display Halloween mask board powered by ATSAMD51 Cortex-M4F at 120MHz with 8MB flash, two 240×240 IPS TFT eye displays, stereo audio, microphone, STEMMA co

ATSAMD51J20 ARM Cortex-M4F @ 120MHz256 KB8 MB SPI flash
~$80View

Adafruit Feather nRF52840 Express

Dev Board
Adafruit Feather nRF52840 Express

Feather board with nRF52840 ARM Cortex-M4F at 64MHz, BLE 5.0, native USB (CDC/HID/MIDI/MSC), 1MB flash, 256KB SRAM, 2MB QSPI flash, 21 GPIO, SWD debug, and LiPo charging. Supports Arduino and CircuitP

Nordic nRF52840 ARM Cortex-M4F256 KB1 MB21 GPIOBLE BLE 5.0
~$25View

Adafruit Grand Central M4 Express

Dev Board
Adafruit Grand Central M4 Express

Arduino Mega-form-factor board with ATSAMD51P20 Cortex M4F at 120MHz, 1MB flash, 256KB RAM, 8MB QSPI flash, 70 GPIO pins, SD card slot, 8 SERCOM, 22 PWM outputs, dual DAC/ADC, AES-256, and native USB.

Microchip ATSAMD51P20 ARM Cortex M4F256 KB1 MB70 GPIO
~$40View

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