Adafruit ItsyBitsy M0 Express - for CircuitPython & Arduino IDE
➤ ATSAMD21G18 32-bit Cortex M0+ with 256KB Flash and 32 KB RAM
➤ 3.3V logic, 48 MHz, 32 bit processor
➤ 2 MB SPI FLASH chip for storing files and CircuitPython code storage.
➤ Native USB supported by every OS - can be used in Arduino or CircuitPython as USB serial console, Keyboard/Mouse HID, even a little disk drive for storing Python scripts.
➤ Can be used with Arduino IDE or CircuitPython
➤ Built in red pin #13 LED
➤ Built in RGB DotStar LED
➤ Tons of GPIO! 23 x GPIO pins with following capabilities:
➤ 1 x True analog output pin - can be used to play 10-bit quality audio clips
➤ 13 x PWM outputs - for servos, LEDs, etc
➤ 11 x 12-bit analog inputs
➤ 7 x Hardware capacitive touch sensors with no additional components required
➤ 1 x Special Vhigh output pin gives you the higher voltage from VBAT or VUSB, for driving
➤ NeoPixels, servos, and other high-current devices. Digital 5 level-shifted output for high-voltage logic level output.
➤ Can drive NeoPixels or DotStars on any pins, with enough memory to drive 8000+ pixels.
➤ DMA-NeoPixel support on the VHigh pin so you can drive pixels without having to spend any processor time on it.
➤ Native hardware SPI, I2C and Serial all available
➤ Reset button and pin
➤ Power with either USB or external output (such as a battery) - it'll automatically switch over
➤ Product Dimensions: 36.0mm x 17.8mm x 4.3mm / 1.4" x 0.7" x 0.2"
➤ Product Weight: 2.7g / 0.1oz