Ardunaut: “A simple tool to deal with the wiring and programming. Suggestions will be appreciated. … and thanks for this tiny board , l’m having a great time recreating many of my projects with it.”
TheKitty: “I tweaked the diagram a bit. [Above.] The input is 5.5-16V, pin 4 cannot use regular analogWrite, and some other embellishments like those used by Pighxxx and GreyNomad in other Arduino diagrams. People have also asked what resistors are connected to what pins as they may give different impedances or pullup conditions. [Below] is a diagram that is a subset of the schematics showing the resistances. Hopefully I’ll have accompanying info on pullup/pulldown. I thought there was a post on pullup/pulldown/internal pullups earlier by a user but I cannot find it….”
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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.