Adafruit’s ‘watch-format’ dev. board for wearables, in distribution
GEMMA M0 adds power on top of the original Gemma board’s ease of use, replacing the ATtiny85 microcontroller with a more powerful Microchip ATSAMD21E18 Arm Cortex-M0+ microcontroller, 32 kBytes of RAM, and 256 kBytes of flash. The microcontroller features native USB supported by every operating system, which removes the need to download additional software for use.
The board ships with Adafruit’s CircuitPython programming language, so makers and engineers of all skill levels can use the GEMMA M0 out of the box without downloading software. The board supports the Arduino integrated development environment (IDE). The board features an on/off switch, reset switch, JST battery connector, and a built-in Adafruit DotStar RGB LED.
GEMMA M0 has three general-purpose input/output (GPIO) pads, each offering 12-bit analogue input or digital input/output and supporting capacitive touch. These GPIO pads use the exact same names as the original GEMMA development board, meaning that any existing Arduino code will continue to work without changes with the GEMMA M0. All three pads can be used as hardware capacitive touch sensors, and they can drive NeoPixels or DotStars on any pins. Mouser list it at €8.46/£7.61.
Mouser; www.mouser.com/new/adafruit/adafruit-gemma-m0/
Adafruit; www.adafruit.com
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