Do you want a crazy amount of Digital Input and Output (Digital I/O) in a small space without upgrading your microcomputer?
You can achieve this with the DIGIO-128 super-mega digital I/O card. The DIGIO-128 lets you add 128 GPIO (General Purpose Input/Output) lines, thanks to the Microchip MCP23017, which is a 16-bit general purpose parallel I/O port expander with I2C two wire serial interface and 28-pin ICs that supports 100kHz and 400kHz.
The 128 digital I/O lines are accessed via 8 I/O connector pins, each offering 16 digital I/O, 2 power and 2 ground. The distance between the pin connectors (pitch) is 0.1″. DIGIO-128 uses 8 Microchip MCP23017 in total, offering 16 inputs or outputs each and a maximum of 128 extra I/O ports.
Adafruit has had paid day off for voting for our team for years, if you need help getting that going for your organization, let us know – we can share how and why we did this as well as the good results. Here are some resources for voting by mail, voting in person, and some NY resources for our NY based teams as well. If there are additional resources to add, please let us know – adafruit.com/vote
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.