When you need more than just a pin number for simple input or output, diagrams like these reveal a board’s hardware peripheral multiplexing options — PWM outputs, analog channels, SPI ports and so forth.
In the past such diagrams were painstakingly produced by hand, but now we’re dabbling in automating some of that process, coalescing data from Fritzing and the CircuitPython and Arduino core source code. It’s less prone to typos and gives a more consistent look across all Adafruit boards.
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Stop breadboarding and soldering – start making immediately! Adafruit’s Circuit Playground is jam-packed with LEDs, sensors, buttons, alligator clip pads and more. Build projects with Circuit Playground in a few minutes with the drag-and-drop MakeCode programming site, learn computer science using the CS Discoveries class on code.org, jump into CircuitPython to learn Python and hardware together, TinyGO, or even use the Arduino IDE. Circuit Playground Express is the newest and best Circuit Playground board, with support for CircuitPython, MakeCode, and Arduino. It has a powerful processor, 10 NeoPixels, mini speaker, InfraRed receive and transmit, two buttons, a switch, 14 alligator clip pads, and lots of sensors: capacitive touch, IR proximity, temperature, light, motion and sound. A whole wide world of electronics and coding is waiting for you, and it fits in the palm of your hand.
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