NEW GUIDE ALERT! John Park’s Pico Four Keypad Guide is live.
Much like the now infamous Stack Overflow The Key copy/paste keypad, this small, beautiful keypad is designed to speed up your most important tasks!
You can build it with some hand wired mechanical keyswitches (no PCB or diode matrix required), and control it from a Raspberry Pi Pico RP2040 running CircuitPython.
The gorgeous silver aluminum enclosure houses it and you’ll top it off with some delightfully gumdrop-y MA profile keycaps.
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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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