Adafruit HalloWing M4 Express
Overview
The Adafruit HalloWing M4 Express is a skull-shaped development board designed for wearables and spooky high-performance projects. It is powered by the ATSAMD51G18, providing an ARM Cortex-M4 core running at 120MHz with hardware DSP and floating-point support. The board integrates a 1.54-inch color TFT display, a LiPo battery charger, and multiple sensors into a compact, specialized form factor.
Why Choose This Part
The board features 512KB of Flash and 192KB of RAM, offering significant headroom for complex graphics and data processing. It includes a built-in LiPo recharging circuit for portable power and a 1.54-inch 240x240 color TFT for immediate visual feedback. With integrated I2C ports and four GPIO pins, it allows for easy expansion without extensive soldering.
Applications
Getting Started
The HalloWing M4 Express comes pre-loaded with the UF2 bootloader, allowing it to appear as a USB drive for easy firmware updates. It is fully compatible with the Arduino IDE and CircuitPython, making it accessible for both rapid prototyping and low-level C++ development. Connect via a micro-USB cable to begin programming and charging the battery simultaneously.
Also Consider
Adafruit Industries LLC
- Choose this for lower power consumption and simpler projects that do not require the high-speed Cortex-M4 core.
