Another week, another pinout reference.:)
A follow-up to my Arduino Leonardo pinref, I’ve created a reference sheet for the Adafruit ATMega32u4 Breakout board. Useful for seeing at a glance which pins can do hardware PWM, have an ADC, or can trigger low-level interrupts.Very handy for breadboarding.
The reference is available and as an image or a PDF: the full-size image is here; you can download the PDF here, or from the product page (under ‘downloads’). The PDF prints onto a standard 8.5×11 sheet, with the board at 2x the actual size.
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